* [Companion] Add logic to add background and DS_Store. Start with Cpack for OS X
* Major overhaul of the OpenTX packing for OS X
* Update DS_Store to not show toolbar (noticed by @Kilrah, thanks!)
* Minor fixes
* set BU_CHMOD_ITEMS to avoid packaging errors
* Rename the app to a nicer name on OS X (OpenTX Companion 2.2.app instead of companion.app)
* Embed dfu-util into bundle (first part of #3908)
* Fix showing status bar showing in disk image
* Workaround for CMAKE_OSX_DEPLOYMENT_TARGET