Merge pull request #11 from jk0/master

Allow TV shows to be removed from the Instant Queue.
Make URL lookup more metadata rich
Resolve lookup parameter issue
Merge pull request #13 from IanDBird/master

Added metadata to Lookup key callback
MessageContainer is deprecated
Updated icon/art
Background art is now a jpeg
MessageContainer -> ObjectContainer; Show 'Free Trial' only on Mac/Win client.
Make sure we send 'original_params' as post values, not as headers.
Add thumb and art to @handler