[FIX] comments: Remove the other buttons (mainly edit) when posting or vice-versa, dim the comments not being edited or replied to and add a simple cancel button.
Also restore cluetips for user-info popups etc after comments AJAX load.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@47942 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] comments: Update CSS to reflect current DOM id's and classes, and group all comments definitions together - restore indentation of replies, and add a "quotes" graphic to replies in jqui & utopias themes (may suit others?)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@47943 b456876b-0849-0410-b77d-98878d47e9d5