Deleted unnecessary code

Deleted unnecessary code in the start menu of the __init__.py file
Fixed error in video quality

Had both video media objects set to 360 instead of having the high
quality one set to 720.  Set high quality to 720
Added error message to code

Added empty object container error message to code
Added description to shows

Added the description for each show to the main menu
Added experimental shows

Added experimental shows to list of shows available on the site
Cleaned up xpath

Made xpath a little lighter and cleaner so less chance of errors with
changes to site