MP1-4572 : Revert "MP1-4520: Fix tablename typo and bypass the 'safe-mode option' error by including a WHERE clause in the statement"

This reverts commit 812fe549acb6ecd9e78cbcb0e52b38f43887bb29.
Revert "MP1-4341 : Upgrade MySQL (MyISAM to InnoDB) 62_upgrade_mysql_database.sql script only if MySQL Server is 5.6.10"

This reverts commit 627c408b9f72ba4d89f1213bd33b7c003e4994de.
MP1-2538 : When_selected_skin_is_incompatible,_no_warning_is_given
MP1-2151 : FEAT-Volume_Overlay
MP1-4574: Allow Windows 10 Preview install, but not supported. Added Server 2012 R2 as reference Server OS for Windows 8.1 and 10
Merge remote-tracking branch 'remotes/MediaPortal-1/MP1-2538-BUG_When_selected_skin_is_incompatible,_no_warning_is_given'
Merge remote-tracking branch 'remotes/MediaPortal-1/MP1-2151-FEAT-Volume_Overlay'
Merge remote-tracking branch 'remotes/MediaPortal-1/MP1-4574-REWORK-Allow_Windows_10_Preview_install_and_add_Server_2012_R2_to_OS_list'
Merge remote-tracking branch 'remotes/MediaPortal-1/MP1-4572-BUG-Revert_MySQL_MyISAM_to_InnoDB_to_avoid_wrong_upgrade'