[KIL] IE 6 and 7 are no longer supported.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52835 b456876b-0849-0410-b77d-98878d47e9d5
[KIL] IE 6 and 7 are no longer supported.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52836 b456876b-0849-0410-b77d-98878d47e9d5