title: scalate does not compile templates in tomcat
body: <p>I am trying to make scalate work under tomcat, but it crashes when it tries to compile the scaml templates. No problem with Jetty. I am new to this and tomcat in general. It seems also the scalatra-sbt prototype on github crashes, which makes me think it's tomcat not configured correctly.</p>
  
  <pre>
  org.fusesource.scalate.TemplateException: scala/tools/nsc/settings/ScalaSettings
      org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:738)
      org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:595)
      org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:327)
      org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:321)
      org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:391)
      org.scalatra.scalate.ScalateSupport$class.renderErrorPage(ScalateSupport.scala:50)
      com.example.MyScalatraFilter.renderErrorPage(MyScalatraFilter.scala:7)
      org.scalatra.scalate.ScalateSupport$class.handleError(ScalateSupport.scala:46)
      com.example.MyScalatraFilter.handleError(MyScalatraFilter.scala:7)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply$mcV$sp(ScalatraKernel.scala:109)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply$mcV$sp(ScalatraKernel.scala:99)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$class.handle(ScalatraKernel.scala:98)
      com.example.MyScalatraFilter.handle(MyScalatraFilter.scala:7)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply$mcV$sp(ScalatraFilter.scala:18)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraFilter$class.doFilter(ScalatraFilter.scala:17)
      com.example.MyScalatraFilter.doFilter(MyScalatraFilter.scala:7)
  
  root cause
  
  java.lang.NoClassDefFoundError: scala/tools/nsc/settings/ScalaSettings
      org.fusesource.scalate.support.ScalaCompiler$.create(ScalaCompiler.scala:170)
      org.fusesource.scalate.TemplateEngine.compiler(TemplateEngine.scala:154)
      org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:655)
      org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:595)
      org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:327)
      org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:321)
      org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:391)
      org.scalatra.scalate.ScalateSupport$class.renderErrorPage(ScalateSupport.scala:50)
      com.example.MyScalatraFilter.renderErrorPage(MyScalatraFilter.scala:7)
      org.scalatra.scalate.ScalateSupport$class.handleError(ScalateSupport.scala:46)
      com.example.MyScalatraFilter.handleError(MyScalatraFilter.scala:7)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply$mcV$sp(ScalatraKernel.scala:109)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply$mcV$sp(ScalatraKernel.scala:99)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$class.handle(ScalatraKernel.scala:98)
      com.example.MyScalatraFilter.handle(MyScalatraFilter.scala:7)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply$mcV$sp(ScalatraFilter.scala:18)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraFilter$class.doFilter(ScalatraFilter.scala:17)
      com.example.MyScalatraFilter.doFilter(MyScalatraFilter.scala:7)
  
  root cause
  
  java.lang.ClassNotFoundException: scala.tools.nsc.settings.ScalaSettings
      org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1484)
      org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
      org.fusesource.scalate.support.ScalaCompiler$.create(ScalaCompiler.scala:170)
      org.fusesource.scalate.TemplateEngine.compiler(TemplateEngine.scala:154)
      org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:655)
      org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:595)
      org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:327)
      org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:321)
      org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:391)
      org.scalatra.scalate.ScalateSupport$class.renderErrorPage(ScalateSupport.scala:50)
      com.example.MyScalatraFilter.renderErrorPage(MyScalatraFilter.scala:7)
      org.scalatra.scalate.ScalateSupport$class.handleError(ScalateSupport.scala:46)
      com.example.MyScalatraFilter.handleError(MyScalatraFilter.scala:7)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply$mcV$sp(ScalatraKernel.scala:109)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
      org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply$mcV$sp(ScalatraKernel.scala:99)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
      org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraKernel$class.handle(ScalatraKernel.scala:98)
      com.example.MyScalatraFilter.handle(MyScalatraFilter.scala:7)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply$mcV$sp(ScalatraFilter.scala:18)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
      org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
      scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
      org.scalatra.ScalatraFilter$class.doFilter(ScalatraFilter.scala:17)
      com.example.MyScalatraFilter.doFilter(MyScalatraFilter.scala:7)
  </pre>
  
  <p>Any hint on how to make scalate compiler work under tomcat?</p>