[REF] tablesorter: use id instead of class for pager container selector, consistent with other elements. also update some documentation

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53200 b456876b-0849-0410-b77d-98878d47e9d5
bootstrap: Use btn-link for wiki action and quickadmin links to make them less obtrusive. Looks much better to me but will revert if that's not the consensus.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53201 b456876b-0849-0410-b77d-98878d47e9d5