[bp/r47857] Duplicate file upload in IE10

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@47869 b456876b-0849-0410-b77d-98878d47e9d5
[FIX][bp/r47909]Usability fix. allowFullscreen was present in the plugin youtube but missing in the module; playlists usually contain many videos, and the user frequently prefers displaying them in small size but with the option to set anyone in full screen to view it properly.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@47912 b456876b-0849-0410-b77d-98878d47e9d5