Merge pull request #639 from tikuf/master

Better Thumb extraction.
add specialized get seasons method
update editor styles
support deleting and canceling live tv recordings and timers
added create live tv timer page
hide metadata manager from non-admins
add links to channel pages
added timer properties for pre/post padding seconds
switch from httpclient to plain httpwebrequest
support remote queuing to web client
prevent providers from attempting image downloads over and over again
updated live tv methods + nuget
update to service stack 3.0.70.0
make dontfetchmeta changes recursive
updated live tv endpoints
fixing missing check-in
add missing files
improve movie matching by looking for titles with same year first
fix tmdbid override for movies
fixes #629 - Deleting a movie only deletes the video file