[NEW] Simplify Tiki Addon Helloworld


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52622 b456876b-0849-0410-b77d-98878d47e9d5
[NEW] Remove previous Tiki Addon Hello World


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52623 b456876b-0849-0410-b77d-98878d47e9d5