Event refactor

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10927 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Use fixed layout for datatable

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10928 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Customizable append target for selectOneMenu, useful when component is inside an overflowing or dynamic positioned content.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10929 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c