[FIX] parser: Prevent lines containing "-->" being detected as a closing html comment when none has been opened (should address wish4556, thanks marclaporte)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46408 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] strasa: z-index of 2 is plenty to make the tabs work, 200 was covering up plugin edit popups etc (thanks Xavi)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46409 b456876b-0849-0410-b77d-98878d47e9d5