Replaced AbstractEntityPortlet with AbstractOWLEntityPortlet
Replaced AbstracEntityPortlet with AbstractOWLEntityPortlet
Removed HTML restrictions portlet
Removed some unnecessary GWTExt stuff
Modified some serialization flags (from Serializable to IsSerializable)
Merge branch 'cleanup'
Swapped Serializable to IsSerializable
Removed dead code
Swapped Serializable for IsSerializable for some Note API classes
Inserted GWT.runAsync code splitting into a few places.  Could be nicer.
Removed uninformative logging message
Moved RevisionNumber and RevisionSummary to the shared package
Fixed generics warning
Removed dead code
Removed dead code in ChangesPortlet
Removed change tree portlet
Removed Change Table Portlet
Removed commented out code