Simplify microphone muting

With Ubuntu Kernel 3.11.0-17, there is a patch in the thinkpad-acpi part
that enables control of the microphone LED. Apparently, amixer will set
this LED properly when the microphone is muted. All this script has to
do now is to call amixer now.
State kernel dependency
Merge branch 'master' into mic

Conflicts:
	bin/think-mutemic
	doc/conf.py
Merge branch 'master' into fix/mic-mute-led
Remove transitional scripts
Tighten wildcard
Merge branch 'master' into fix/mic-mute-led

Conflicts:
	bin/think-mutemic
Merge branch 'master' into fix/mic-mute-led
Remove unneeded statements from documentation
Remove appending of -of to relative position

This is a transitional helper that gets removed with the next major
release.
Merge branch 'master' into series/4
Prepare changelog entry with first breakage
State another breakage
Remove compatibility from the manual page
Merge branch 'master' into series/4
Merge branch 'master' into fix/mic-mute-led
Merge branch 'series/4' into python3

Conflicts:
	CHANGELOG.rst
Merge branch 'fix/mic-mute-led' into python3
Mark it as module
Add all