[REL] Update copyright.txt for 11.2

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@51081 b456876b-0849-0410-b77d-98878d47e9d5
Partial backport from 12.x r46459 [FIX]Â Issues detecting connection failures in installer, PHP 5.5 compliance

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@51083 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update changelog.txt for 11.2

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@51086 b456876b-0849-0410-b77d-98878d47e9d5
Merged from 12.x
[FIX] missing global [from revision 51089]

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@51090 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Update changelog.txt for 11.2

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@51091 b456876b-0849-0410-b77d-98878d47e9d5
[REL] SecDB for 11.2

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@51092 b456876b-0849-0410-b77d-98878d47e9d5
[REL] Closing 11.2 release

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