Itella tracking for parcel module
move bs4 import to run to avoid unnecessary ImportErrors
Support optional "format_muted" setting for audio modules

The alsa and pulseaudio modules now support an optional "format_muted"
setting. If provided, it will be used instead of "format" when the audio
is muted.
Merge pull request #70 from tomxtobin/audio-format-muted

Support optional "format_muted" setting for audio modules
network: changed detached_down default
Update Readme & Changelog
Merge branch 'master' of https://github.com/siikamiika/i3pystatus into siikamiika-master
Integrate Itella with TrackerAPI (untested) #62
Update readme
Possible "fix" for #69
Update battery tests, add case for #66, fix #66