Refactor

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10067 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Backward compatibility adapter for disabledSelection changes of datatable.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10068 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Added rowSelectMode option to datatable to make row select behavior a little bit more configurable.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10069 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Use Atmosphere 2.0, enable track message length, heartbeat and session unification

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10070 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c