CC-5709: Airtime Analyzer

* Remove awful StoredFile::uploadFile() function
* Massive airtime_analyzer commenting and cleanup
* Cleaned up the upload code
* Temporarily disabled the liquidsoap playability test.
CC-5709: Airtime Analyzer

* Nuked another unused function
CC-5709: Airtime Analyzer

* A bunch of cleanup and fix for metadata extraction on files mutagen can't read
CC-5709: Airtime Analyzer

* Added upstart script for starting on bootup
CC-5709: Airtime Analyzer

* Fixed airtime_analyzer setup script
Merge branch 'cc-5709-airtime-analyzer' into cc-5709-airtime-analyzer-saas

Conflicts:
	python_apps/airtime_analyzer/setup.py