[ENH]Add {{domainslash}} also as a new wiki argument variable, since that is going to be the one more needed in multitiki environments to know paths for files in custom templates or wiki pages pointing to uploaded files, etc.


git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49083 b456876b-0849-0410-b77d-98878d47e9d5