Applies the following commits:
fe982eedd58b5ac91f250f8446dc44dd2624c976 - Better MediaConnect handling of 1026 return status, media already connected.
6d343c74f6cfd456f99bd4bc39fa7a5ef3a1fc50 - More voice related changes to improve the user's experience.
f85263acf3902f2d54e108c4b62fa090e91b2b6e - Added the loop back setting so people can hear themselves during the mic test.
Removes outdated SLim code from llimpanel.cpp
0681b88cbc