* Slightly revamped basic card icons
All icon classes which were just static text have been removed, and instead replaced with a static instance.
A new icon for reach has been added
Some icons have been reused for new abilities (hexproof for shroud and ward, infect for toxic)
When a card would have two icons of the same type, the icons are instead combines into one with a combined hover tooltip.
* Fixed missing capitalization on ward, hexproof
* replaced blocking/blocked by predicates
* added test for knight of dusk (currently fails)
* added source parameter to filters and everything else that needs it
* some changes to various predicates
* test fix
* small changes to filter code
* merge fix
* fixed a test failure
* small change to Karn, Scion of Urza
* removed sourceId from filter methods and other similar places
* added new getobject method to fix some test failures
* a few more fixes
* fixed merge conflicts
* merge fix
