[REL] Preparing 9.8 release

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@51085 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update README file for 9.8

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@51094 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update language.php files for 9.8

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@51096 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update changelog.txt for 9.8

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@51097 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update copyright.txt for 9.8

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@51102 b456876b-0849-0410-b77d-98878d47e9d5
[REL] SecDB for 9.8

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@51105 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Closing release 9.8

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@51118 b456876b-0849-0410-b77d-98878d47e9d5