Updated gradle-based build

- Updated gradle wrapper to 1.3
- Removed pom.xml

Author: poutsma

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Nov 26 13:45:10 CET 2012
+#Fri Nov 30 10:45:59 CET 2012
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.2-bin.zip
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.3-bin.zip