[FIX] edit: Fix full-screen mode on wiki edit (not in a fieldset any more), also repairs to exit from full-screen mode (thanks chibaguy)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52051 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] comments: Provide feedback when comment posted needs moderating, sadly as an ugly alert dialog (for now, TODO better one day) - thanks Xavi

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52052 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] popovers: Only show one at a time - hopefully addresses http://dev.tiki.org/item5301

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52053 b456876b-0849-0410-b77d-98878d47e9d5