[FIX] When you have multiple category fields, some with tree with decendants, the ones that follow that are without descendants will wrongly show the ones from before.


git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50023 b456876b-0849-0410-b77d-98878d47e9d5
Improving documentation of Tiki Check. When you lock-up everything, as suggested by Tiki Check, you discover that some of the things are needed :-) 

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50024 b456876b-0849-0410-b77d-98878d47e9d5
[SEC] installer: filter user input

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50025 b456876b-0849-0410-b77d-98878d47e9d5
[SEC] social networks: filter user input

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50026 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/12.x 50011 to 50026

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@50033 b456876b-0849-0410-b77d-98878d47e9d5