Add API call to scan a folder for multiple movies
First attempt at creating a working directory selector
Merge branch 'develop_scan_basefolder' of git://github.com/mano3m/CouchPotatoServer into mano3m-develop_scan_basefolder

Conflicts:
	couchpotato/core/plugins/renamer/main.py
Manual scan folder cleanup
Merge branch 'refs/heads/mano3m-develop_scan_basefolder' into manual_scan
mark release das downloaded if renamer is disabled.

if the renamer is not enabled and the quality of the downloaded release
is not the finish quality, the release did not get a status update.
Merge branches 'develop' and 'manual_scan' of https://github.com/RuudBurger/CouchPotatoServer into manual_scan

Conflicts:
	couchpotato/core/plugins/renamer/main.py
added api calls for manual scan (kudos to @mano3m)
Clean-up and dont mark status twice
Make sure we return true on success
Don't consider stalled as failed when seeding

Fixes the issue where Transmission is seeding but still considering the
torrent stalled (new functionality of Transmission). CPS marks it as
failed and a perfectly good torrent gets deleted. Several people on the
forum have this issue,
Merge pull request #2607 from mano3m/develop_no_ren

Mark release as downloaded if renamer is disabled.
Merge pull request #2614 from mano3m/develop_stalled

Don't consider stalled as failed when seeding
Merge pull request #2612 from RuudBurger/manual_scan

Manual scan
Merge branches 'develop' and 'tv' of https://github.com/RuudBurger/CouchPotatoServer into tv

Conflicts:
	couchpotato/core/plugins/release/main.py
	couchpotato/core/plugins/renamer/main.py
fix seed/lech score formula, fix #2605
Added delete files button, #2596 (manuall merge)
Updated YIFY provider to use proxies and magnet links, #2560 (manuall merge)
better score forumla for seeding/leeching
Merge branches 'develop' and 'tv' of https://github.com/RuudBurger/CouchPotatoServer into tv

Conflicts:
	couchpotato/core/media/movie/_base/main.py
	couchpotato/core/providers/torrent/yify/main.py