MP1-4387 : Rename leftover Sudoku.
MP1-4387 : Move GUI Plugin common part code (Music, Video, Picture) to be able to use thirdparty plugin. For example if MyVideo internal plugin is disable, thirdparty plugin will be not break.
Merge remote-tracking branch 'remotes/origin/MP1-4387-BUG-Fix_external_plugin_issue_when_internal_plugin_is_disabled'