Update iptorrents.py

Adds another URL parameter when searching on iptorrents for brrip.  This allows it to find brrip that are also classified as 720p/1080p.

See this thread for info:
https://couchpota.to/forum/viewtopic.php?f=5&t=4032&sid=7892abbaaca9dad8bd3cc27cafb7fd33

And this prior pull request for more info:
https://github.com/RuudBurger/CouchPotatoServer/pull/3696
Don't score identifier quality.guess twice
Add quality test
Move hdtv & hdrip to alternative for brrips
Merge branch 'develop' of github.com:RuudBurger/CouchPotatoServer into develop
Add quality test
Move webrip to scr alternative
Change quality test
Merge pull request #3884 from botez/develop

Update iptorrents.py
Migration: Don't fail on missing release file
Fix marshal data corrupted documents
Delete corrupted documents
Ignore deleted media documents
Locking mechanism
Use status_code to stop requesting url
Merge branch 'develop' of github.com:RuudBurger/CouchPotatoServer into develop
Don't save data in notification
Ignore RecordDeleted on notification getter

fix #3888
Ignore RecordDeleted in release for media call
Don't use event when not needed