Update maven dependencies and plugins ->  BUILD SUCCESS (No tests available)

spock tests: http://code.google.com/p/spock/
Merge pull request #333 from good92/patch-1

Update maven dependencies and plugins ->  BUILD SUCCESS (No tests availa...
Fixed some invalid dependency updates (java 5 compat)
Updated changelog.
Fixes #332: StandardCache not dealing with SoftReferences correctly under specific get/put sequence scenarios.
Reordered ChangeLog.
Merge branch '2.1-dev' into 3.0-dev