title: Importing project library from github giving unexpected behaviour
body: <p>I am using first time git hub library in my project and new to android.I am trying to make project in which i need to use graph for this I am using ease graph project from git hub but it is giving me an error</p>
  
  <p>Error:(9, 0) Could not find property 'file' on SigningConfig_Decorated{name=release, storeFile=null, storePassword=null, keyAlias=null, keyPassword=null, storeType=null}.</p>
  
  <p>this is the file coding available </p>
  
  <pre><code>    apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 21
      buildToolsVersion "21.1.2"
  
      signingConfigs {
          release {
              storeFile file(STORE_FILE)
              storePassword STORE_PASSWORD
              keyAlias KEY_ALIAS
              keyPassword KEY_PASSWORD
          }
      }
  
      defaultConfig {
          applicationId "org.eazegraph.app"
          minSdkVersion 9
          targetSdkVersion 21
          versionCode 1
          versionName "1.0"
      }
  
      lintOptions {
          abortOnError false
      }
  
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
  
              signingConfig signingConfigs.release
  
              // this is used to alter output directory and file name. If you don't need it
              // you can safely comment it out.
              applicationVariants.all { variant -&gt;
                  variant.outputs.each { output -&gt;
                      def file = output.outputFile
  
                      String parent = file.parent
                      if (project.hasProperty('OUTPUT_DIR') &amp;&amp; new File((String) OUTPUT_DIR).exists())
                          parent = OUTPUT_DIR
  
                      output.outputFile = new File(
                              parent,
                              (String) file.name.replace(
                                      ".apk",
  
                                      // alter this string to change output file name
                                      "-" + defaultConfig.versionName + "-build" + defaultConfig.versionCode + ".apk"
                              )
                      )
                  }
              }
          }
      }
  }
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      compile project(':EazeGraphLibrary')
      compile 'com.android.support:appcompat-v7:21.0.3'
  }
  </code></pre>
  
  <p>any help please..</p>