Selection features support of DataTable for Frozen Columns

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10430 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
RowExpansion feature support of DataTable for Frozen Columns

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10431 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
CSS part for rowexpansion+frozencolumns

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10432 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c