Added search provider icons. Added network logos.

Fix https://github.com/SiCKRAGETV/sickrage-issues/issues/18
fix https://github.com/SiCKRAGETV/sickrage-issues/issues/240
Added TNT Drama"  network logo.

https://github.com/SiCKRAGETV/sickrage-issues/issues/250
Merge pull request #1152 from neoatomic/develop

Added search provider icons. Added network logos.