Added the gson dependency to the gradle build file
Created a new data package
Added a demonstration category lister.
Cleanups
Added stubs Issue #2
Merge branch 'master' into Issue0002

Conflicts:
	.gradle/1.8/taskArtifacts/fileHashes.bin
	.gradle/1.8/taskArtifacts/fileSnapshots.bin
	.gradle/1.8/taskArtifacts/taskArtifacts.bin
Merge branch 'master' into Issue0002
merge Issue2 into master