fixed: checking battery status only examines 'BAT0'
Fix utf-8 decoding issue in spliting the string from `mpc`
Merge branch 'develop' into mpd_utf8
Merge pull request #882 from Determinant/develop

[tmux] Make battery segment use BAT1 if BAT0 was not found
Catch NotImplementedError when importing module

Fixes #883
Merge branch 'fix-883' into develop
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	powerline/segments/common.py
Merge branch 'mpd_utf8' into develop