Issue #210 - Remove Ant build files and switch completely to Gradle.
Fixed Eclipse warnings
Fix for issue #214: Ant build does not include *.vm files in azkaban jar
Merge pull request #215 from erwa/fix-ant

Fix for issue #214: Ant build does not include *.vm files in azkaban jar
Resolve merge conflicts.
Merge pull request #211 from davidzchen/remove-ant

Remove Ant build files and switch completely to Gradle.
closing streams correctly to avoid resource leaks
Merge pull request #218 from bertpassek/master

closing streams correctly to avoid resource leaks