Updated version to 3.2.0-SNAPSHOT

Change-Id: Iad8de67e2eb2ff6f0ea9d370e67005d5ccfd7361
Merged from master - fix archetypes
References #2185: Moved taglets from support to api
Updated to target Java 7.
Version number has been set to 3.2.0.
Merge branch 'release/3.2.0' for 3.2.0 release.'