Converted all Priest cards to tag system as per #29
Removed temp attack.  Replaced with a timed aura.
Made more neutral minions copyable, as per #29

There are only six non copyable minions left.
Fix for replay bugs from issue #55
Flake8 Fixes
Fix for weird rendering in text_agent.  Closes #55
Removed Replace action, and updated Summon.

Now, summon will add the summoned minion to the
 right side of the board if the source is the player,
  or to the right of the minion if the source is a minion
Made Shaman Healing Totem copyable as per #29
Made Pint Sized Summoner copyable as per #29

Also changed how PlayerSelector works so that it actually selects a player
instead of that player's hero.  Now actions designed for affecting
players cannot be applied to a minion or hero.
Merge remote-tracking branch 'origin/master'

Conflicts:
	hearthbreaker/cards/minions/neutral.py
	hearthbreaker/tags/action.py
Merged remote changes
Merge pull request #7 from danielyule/master

Merge