Accelerometer testing
Fixed constant crashing

Made so it doesn't calculate speed before you press screen
Added some animations
Made some improvements to animations
Made so player speed is applied in forces not in linearvelocities
Testing around with a new platform WARNING: don't load lvl 3
Started work on LevelLoader
Removed unused resourceManager in MainActivity
Moved contact-system to PlayerContact.java
Fixed contact-system
Added some comments to scenes
Started on a UpgradesManager class
Added an UpgradesManager from feature branch
Added a basic upgrade class
Implemented Upgrade into UpgradeManager
Changed so speed is applied in forces according to how it is done in feature
More work on LevelLoader
LevelLoader is even more worked on!
Changed initialization of player
Fixed a bug where platforms didn't work properly