0.7.2: Frenzy skill, new helm, more UI tooltips, mana ball fix

Added

• New active skill [Frenzy]

• New epic helm with chance to autocast [Frenzy] (drops from level 70)

• Now UI buttons highlight when you level up to remind you to spend skill/stat points. Also map highlights when you complete current location objectives

• Hovering over item on ground or it's text now highlights item

• New hint for loot toggle controls when you first time see 20 items on ground

Changed

• Skill tooltips now show if skill is active or passive

• Smarter hints when hovering over skills in skill tree. Now they will properly show when you can level a skill and it can be dragged to skill panel

• You no longer stop when you pick up items, can pick up items while passing by

• Much more consistent item tooltip showing when moving cursor over item on ground and it's loot text

• Smoother zoom for map and skills window

Fixed

• Mana ball not properly updating fill amount

• Fix for skill tree shake