Hey,
this is my attempt at updating to Mumble 1.4.230.
I cleaned up the spec-file in the process.
* Ported specfile to CMake build-system
* Use cmake install instead of manual as much as possible
* Disabled ICE for now (depends on unavailable lib)
* bonjour is no longer optional
* Removed init.d script and enabled systemd

I removed a lot of branches for other distros or old versions - I hope that was okay.
The package builds fine for every repo of the devel-package's build targets.

I tested client and server, and both seem to work for me.