Updated dependencies - plugins
Various Plugin Updates and configuration cleanup

Update maven-assembly-plugin, yuicompressor-maven-plugin
Update yuicompressor
Rework maven-enforcer-plugin to remove duplicate information by placing
configuration outside of the execution blocks.
Update dependencies

Update maven-war-plugin
Update yuicompressor, spring4, mockito, and tomcat7
Merge pull request #162 from hazendaz/master

Minor Dependency Updates