changed druid spells that summon minions to use create_minion().
changed druid spells that summon minions to use create_minion().

kingoflolz/hearthbreaker,slaymaker1907/hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,noa/hearthbreaker,slaymaker1907/hearthbreaker,pieiscool/edited-hearthbreaker,danielyule/hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,Ragowit/hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,jirenz/CS229_Project,pieiscool/edited-hearthbreaker