Migration ownCloud v8.2 auf v9 - Released

Done

• All clouds need to be on the latest upgradeable version (v 8.2.4)
• Notes App needs a update to work with ownCloud 9 - (Github Ticket)
• Music App needs a update to work with ownCloud 9 - (Github Ticket)
• Upgrade to ownCloud 9.0.2
• Task App needs a update to work with ownCloud 9 (Github Ticket - We deploy the DAVclient branch)
• Bookmarks App needs a update to work with ownCloud 9 - (Github Ticket)
• Add the new video player (Github)
• News App needs a update to work with ownCloud 9
• New customers will get version 9.0.2
• Test of the migration of exising customers
• Migration of all existing customer (100% done)