[FIX] lib: Update tikilib static lib function doc (so IDE's know what can be returned correctly)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47333 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] modal: Include self in the z-index calculation (makes busy spinners appear correctly in Chrome)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47334 b456876b-0849-0410-b77d-98878d47e9d5