Battlecry and Warlock Tests

Added Shadowflame, Improved testing coverage
Implemented Deathwing and Alexstrasza
Merge branch 'master' of https://github.com/danielyule/hearthstone-simulator

Conflicts:
	hsgame/cards/minions/__init__.py
	hsgame/cards/minions/neutral.py
	tests/card_tests/neutral_tests.py
Implemented Assorted Neutrals

Acidic Swamp Ooze, Ancient Brewmaster, Angry Chicken, Baron Geddon,
Blood Knight, Dragonling Mechanic, Frostwolf Warlord, Murloc Tidehunter,
Raging Worgen, Raid Leader, Razorfen Hunter, Spiteful Smith, Tauren
Warrior, Youthful Brewmaster
Pending issues: Corruption not removing early enough, Spiteful Smith not
being an aura
Merge changes from main file
Fixed cards.csv
Fixing for flake8
Space after comma=bad
Merge pull request #36 from randomflyingtaco/master

More neutral cards and test coverage