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