Added Basic Global Movement System

Controlled with WASD, currently only works if playerhorizontalspeed and
playerverticalspeed are identical
Fixed Input Manager

Increased number of inputs to 19

Added "Up", "Down", "Left" and "Right" which are by default mapped to
WASD
Enhanced Control

Player now has drag
Player now has less mass
Enemy Spawns are toggleable in editor
Player now moves slightly faster
Player movement has been simplified internally
Final Control

Made Control Better Again
Increased Player Speed, Changed Enemies

Player speed increased(10 to 20)
Enemy spawn delay decreased(5 to 3)
Enemy health reduced(10 to 2)
Merge remote-tracking branch 'origin/global-movement-system'