Added gradle build support to libonionkit.
Switched to using maven dependencies, added I/O 2013 gitignore.
Update build.gradle
Updated build again.
Merge branch 'master' of https://www.github.com/Morlunk/OnionKit
Update build.gradle
Updated build tools version.
Updated build.gradle
Updated for gradle plugin 0.12.+.
Merge branch 'master' of https://github.com/guardianproject/NetCipher

Conflicts:
	libonionkit/.classpath
Fixed gradle build.
Merge remote-tracking branch 'Morlunk/OnionKit/master'