Bug 735 - Part 1: Update ietf-restconf and ietf-yangtypes to newer versions

Patch 2 - Implemented RevisionBuilder.java and RevisionBuilderTest.java classes.
Patch 3 - Creating new ietf-yangtypes bundle for new version of file.
Patch 4 - Renamed ietf-yangtypes bundle to full version.

Change-Id: I8824580f37869ff128fe33ea862c90261bd743a6
Signed-off-by: Devin Avery <devin.avery@brocade.com>
Merge "Bug 735 - Part 1: Update ietf-restconf and ietf-yangtypes to newer versions"