Added description of cache and cacheTimeout

git-svn-id: https://primefaces.googlecode.com/svn/primefaces/trunk@8878 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Focus attribute added on dialog

git-svn-id: https://primefaces.googlecode.com/svn/primefaces/trunk@8882 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
cosmetic

git-svn-id: https://primefaces.googlecode.com/svn/primefaces/trunk@8883 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Enhancement

git-svn-id: https://primefaces.googlecode.com/svn/primefaces/trunk@8884 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c