Added a couple of optimizations from Jon Valliere

git-svn-id: http://red5.googlecode.com/svn/java/server/trunk@4594 1b6495e4-3631-0410-8e05-8f51eee8b9cc
Updated unit tests whilst searching for roomStop issue solution. Re-added spring context-support jar to pom and added additional exclusions for commons-logging.

git-svn-id: http://red5.googlecode.com/svn/java/server/trunk@4596 1b6495e4-3631-0410-8e05-8f51eee8b9cc
Fixed more tests. Added fix for scope sibling stop when other sibling is emptied.

git-svn-id: http://red5.googlecode.com/svn/java/server/trunk@4597 1b6495e4-3631-0410-8e05-8f51eee8b9cc
Merge remote branch 'remotes/red5/trunk' into bbb-red5-r4592
 - update script for red5 r4597