anchor.diff:  ==== /@health
   
   Displays a simple health check by returning "alive".
  -
  -== Lifecycle
  -
  -In some cases it is useful to hook into the startup process of a mangoo
  -I/O application (e.g. for starting a database connection). For this cases
  -mangoo I/O offers the Lifecycle class, which can be found in the /conf
  -package of your application. Here is an example of how the Lifecycle
  -class may look like.
  -
  -[source,java]
  ----------------------------------------------------
  -package conf;
  -
  -import com.google.inject.Singleton;
  -
  -import io.mangoo.interfaces.MangooLifecycle;
  -
  -@Singleton
  -public class Lifecycle implements MangooLifecycle {
  -
  -    @Override
  -    public void applicationInitialized() {
  -        // Do nothing for now
  -    }
  -
  -    @Override
  -    public void applicationStarted() {
  -        // Do nothing for now
  -    }
  -}
  ----------------------------------------------------
  -
  -[NOTE]
  -The Lifecycle class doesn't have to be named
  -"Lifecycle", but the class must implement the MangooLifecycle interface and
  -you have to bind the implementation using Google Guice in your Module
  -class. The module class is also located in the /conf package in your
  -application. This class can also hold other custom Google Guice bindings.
  -
  -[source,java]
  ---------------------------------------------------------
  -package conf;
  -
  -import io.mangoo.interfaces.MangooAuthenticator;
  -import io.mangoo.interfaces.MangooRequestFilter;
  -import io.mangoo.interfaces.MangooLifecycle;
  -
  -import com.google.inject.AbstractModule;
  -import com.google.inject.Singleton;
  -
  -import filters.MyGlobalFilter;
  -
  -@Singleton
  -public class Module extends AbstractModule {
  -    @Override
  -    protected void configure() {
  -        bind(MangooLifecycle.class).to(Lifecycle.class);
  -    }
  -}
  ---------------------------------------------------------
   
   == Form handling
   
  
positive.code: create a key "success", "warning" or "error" in the flash class. Besides
  that, you can pass custom values to the flash class.
  
  == Flash in templates
  
  To access the flash values, simply call the appropriate key in your
  template.
  
negative.code: 
  If no key is found in the resource bundle the template will output an
  empty value.
  
  == Sessions
  
  