[FIX]Basic default style for Carousel caption (re-)added (when was that lost?)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49666 b456876b-0849-0410-b77d-98878d47e9d5
[FIX]Removed border attributes from .cm-tw-box since it produced a missplacement with the selections of text inside it.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49667 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/12.x 49664 to 49667

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49673 b456876b-0849-0410-b77d-98878d47e9d5