[REL] Preparing 10.4 release

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46684 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update README file for 10.4

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46685 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update language.php files for 10.4

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46686 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update changelog.txt for 10.4

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46687 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update copyright.txt for 10.4

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46688 b456876b-0849-0410-b77d-98878d47e9d5
[REL] SecDB for 10.4

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46689 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Closing release of 10.4

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46691 b456876b-0849-0410-b77d-98878d47e9d5
[FIX][bp/r46812] Cleaner input handling

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46814 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r46811][SEC] Validate calendar date input. Prevent XSS attack

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46826 b456876b-0849-0410-b77d-98878d47e9d5
dos2unix

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46827 b456876b-0849-0410-b77d-98878d47e9d5
dos2unix

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46831 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Improper Content-Transfer-Encoding: 7bit MIME header in Mail https://dev.tiki.org/bug4596 (thanks leagris)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/10.x@46851 b456876b-0849-0410-b77d-98878d47e9d5