Merge pull request #21 from tselaty/master

Icon Bugfix
adjustments to DK and dragon HP
DK rules update
Removing trailing slash
Added in fixed spacing for sprite column
Added boss element, and the ability for Warlock's to summon an elemental to aide them instead of a regular IMP. DK's have been nerfed for x2 damage.
Added elemental icons
Final basic elemental changes