[ENH]Improve description of multirpint (to be reused later in the corresponding admin wizard)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47618 b456876b-0849-0410-b77d-98878d47e9d5
[ENH]Improve description of structures in the admin wizard, and new selection proposal of options shown in that screen

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47619 b456876b-0849-0410-b77d-98878d47e9d5
[FIX ]Improve usage of icons to match same layout as in other admin wizard pages

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47620 b456876b-0849-0410-b77d-98878d47e9d5
minor changes

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47621 b456876b-0849-0410-b77d-98878d47e9d5
[FIX]Icon size like the others

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47622 b456876b-0849-0410-b77d-98878d47e9d5
[NEW] Add RTL (Right to Left Language) check in Language.
Use the RTL definitions from CkEditor.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47623 b456876b-0849-0410-b77d-98878d47e9d5