[REF] Fieldset border shounldn't be visible because bootstrap.css gives it margin: 0, padding: 0. Also Etc.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48612 b456876b-0849-0410-b77d-98878d47e9d5
[REF] Class simplebox (legacy) replaced by class panel panel-default and panel-body (bootstrap.css). 

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48613 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Panels' no-borders, backgrounds should be limited to modules.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48616 b456876b-0849-0410-b77d-98878d47e9d5