[FIX] Correct location and name of FiveAlive stylesheet.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52603 b456876b-0849-0410-b77d-98878d47e9d5
[KIL]Remove previous locations of option theme .css and main .less files.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52606 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] FiveAlive parent theme needs background in /image directory.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52607 b456876b-0849-0410-b77d-98878d47e9d5