[ENH] Allow recording of event in activity stream of generic addrelation through wikiplugin_addrelation

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47594 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Add missing template from recent commit of wikiplugin_playscorm 


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47595 b456876b-0849-0410-b77d-98878d47e9d5