Fix jshint warnings in tvshows/actors.js

- Use single quotes
Fix jshint warnings in tvshows/app.js

- Add missing ;
- Use === and !== comparators
- Use single quotes
- Don't call startMyApp() before it's declared
Fix jshint warnings in tvshows/tvshow.js

- Add missing ;
- Use single quotes
- Declare variables before they're used
Fix jshint warnings in include/genre.js

- Add missing ;
- Use single quotes
- Remove unnecessary ;