JC-1641: 
* replaced org.codehaus.mojo.jspc plugin with the newer org.jasig.mojo.jspc
* added the exclusion to not put compiled jsps to the war
Updated the project current status in README
#JC-1659:
* Added processing for all errors in ErrorHandlerController
Merge branch 'master' of github.com:jtalks-org/jcommune
Merge remote-tracking branch 'origin/master' into JC1668-permissions_manager
#JC-1668 PermissionManager moved to service layer. GroupHibernateDao implement GrouDao from common. Merge grouopDao bean and commonGroupDao bean