details of #34 Audio todo
Merge branch 'master' of https://github.com/UTC-Sheffield/thelongwellwalk into 34_Audio_Button

Conflicts:
	backpack.py
audiotest
untested version of audio blog recording
untested version of audio recording for videos
not working
running but not recording anything readable
adds todo tags
Starts recording using arecord. can't seem to stop it again
Fixes #44 Uses 'killall arecord' to end recording which is not ideal
Merge branch '44_arecord' of https://github.com/UTC-Sheffield/thelongwellwalk

Conflicts:
	audiotest.py