Avoid processing columnGroups for each row to improve performance.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11071 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Deprecation

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11072 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Fixed filtering issue with dyna columns

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11074 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Log for cache provider

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11075 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Year update

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11076 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c