Demo 1.2.1

Main fixes
   Major performance changes, the game should run better at lower framerates (30-59) and also should get higher FPS in general
   Made interact also accessible by pressing down
   Made the parry only stun the enemy instead of forcing you into an animation  
   Made the parry stun time 1 --> 1.5
   Made some enemies have 'Stun Weakness' which increases or decreases stun time (bosses are default)

Small fixes
   Made the store page be able to close by H
   Made the store page text in the bottom right more clear on what to do
   Enemy stun weaknesses (it multiples by the stun time)
      Shadow: 2
      Death Stalker: 2
      Fire Worm: 0
      Lich: 2
      Hyper Lich: 1 
      Hunter: 1.5
      Fire Mage: 0