[REL] Preparing release 12 beta

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48644 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update README file for 12.0beta

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48645 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update language.php files for 12.0beta

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48646 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update changelog.txt for 12.0beta

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48647 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update copyright.txt for 12.0beta

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48648 b456876b-0849-0410-b77d-98878d47e9d5
[REL] SecDB for 12.0beta

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48649 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Closing Release

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48651 b456876b-0849-0410-b77d-98878d47e9d5