Cosmetics and Refactor

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11116 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Refactor on filterValue resolution

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11117 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Refactor r11101 

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11118 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
revert r11106, will do it for 5.1.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11119 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Created LineChartModel.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11120 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c