- add lmms-fluidsynth.patch: backport upstream fix for fluidsynth API change
- remove lmms-1.2.0-undefined_ref.patch, already applied upstream in this release
- add lmms-1.2.0-libdir.patch: upstream patch to find plugin dir (use absolute paths in CMAKE_INSTALL_LIBDIR)
- change lmms-1.2.0-crippled_stk.patch to match current upstream source (tiny datatype change)
- install bash completions, by hand ATM until upstream finds a way to make DESTDIR work

- Update to version 1.2.0rc7+git20180925.a2685c1cc:
* Bump version to 1.2.0-rc7
* Update the LMMS logo and mimetypes (#4519)
* Add bash completion (#4534) (#4604)
* Specify infinte timeout in tryLock on export
* Update UI 60 times per second (#4570)
* Add Carla support for MacOS (#4558)
* Fallback to default audio/MIDI backends if invalid one is set
* Validate audio/MIDI backend when opening setup dialog
* Restructure help
* Fix decimal separator handling (#4547)
* Set VST program first when restoring settings
* Initialise OLE in RemoteVstPlugin
* Link RemoteVstPlugin with -mwindows
* Fix VST windows resizing a little incorrectly
* Fix kVstTransportChanged flag usage in VST sync
* Fix hang when updateInOutCount called from processReplacing
* Suspend plugin when changing sample rate/buffer size
* Fix invisible editors on project load by validating size (#4502)
* Allow building with sndio support on more systems than just OpenBSD (#4486)
* Remove Qt temporary files after loading ZynAddSubFX settings (#4551)
* Don't try to clear null buffer in NotePlayHandle::play (#4545)
* Make the oscilloscope colors available as properties
* Fix Freeboy noise channel playback (#4538)