Added click_config_200 library
click_config_200: added doc in comments
Added skeleton for MusicMod_Volume patch
MusicMod_Volume_200_v1: fixed mask and syntax
MusicMod_Volume_200_v1: split code, fix error
MusicMod_Volume_200_v1: changed mask
MusicMod_Volume_200_v1: added jump to new code
MusicMod_Volume_200_v1: fixed proc links with +1
MusicMod_Volume_200_v1: android volume changing works!

Command codes turned out to be different than I supposed.
SPP_VOLUME_UP: 6
SPP_VOLUME_DOWN: 7
MusicMod_Volume_200_v1: added iOS support (untested)