Add coaches film support

I added support for coaches film support.

Major problem with the current solution is that the self.playBackStop
variable is not always set, as the myPlayer events are not always fired.
If the variable is not set, the playback can not be stopped.
better solution for coaches film
Fix for NFL live issue on my system currently happening.

This needs further testing, as I am experiencing some problems with
streaming the live content of NFL-Network
Previous fix is not needed! Was a glitch in gamepass!
Support Hard Knocks 2013
Don't have logging fail on UTF BOM(b)
Solve loop on rpi with unicode problems

Alex,
I solved the issue with this fix. req.text returns the response in
unicode as req.content just returns it in bytes.

As far as I have seen everything else worked out good!
Attempt to show coaches film with selection list of plays!
Support new Hall of Fame section in Archive
Solve issue with archived games still appearing as 'live'
Reqork previous fix
coaches film skin tweaks setting 'coach_lite' plays video in full screen and hides the plays list
progress bar on coaches film

Close #98
Sort ListItems
Proper check for Coaches Tape availability
Small Bug-fix & eliminate coach_lite option

I eliminated the coaches_film fullscreen setting, which was for
raspberry pi only.
Cleanup of coaches film code

* rename check_coachestape to check_for_coachestape
* add comments to check_for_coachestape and get_coachestape_playIDs
* realphabetize new functions
* simplify logic for listing/sorting plays
* small whitespace fixes
Merge branch 'coaches-film-support'

Conflicts:
	resources/language/Dutch/strings.po
	resources/language/English/strings.po
	resources/language/German/strings.po
	resources/lib/pigskin.py
Split coaches url acquisition into function

This simplifies get_publishpoint_url and makes it a bit more obvious how the
coaches url stuff works.
Remove (superfluous?) assignment of m3u8_url

I think the ipad user agent makes neulion return a URL without "adaptive://"
In any case, it's overwritten and unused.