improved remove function

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@12106 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
#7714

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@12107 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
fixed naming

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@12108 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c