Added basic daylight to game. The game is always dark. Press F7 to disable daylight. Added SDL_GPU library.
Disabled daynight by default. Enable by pressing F7 during the PlayState.
Implementation James (doesn't work, use as reference)
Merge branch 'Develop' of https://github.com/PimV/Bermuda-TheGame into DayLight

Conflicts:
	Bermuda/Bermuda/Bermuda.vcxproj
	Bermuda/Bermuda/Bermuda.vcxproj.filters
	Bermuda/Bermuda/PlayState.cpp
	Bermuda/Bermuda/PlayState.h
Remove unused code (look at previous commit as reference)
Draw Darkness and Calculate Alpha Level
Merge branch 'Develop' of https://github.com/PimV/Bermuda-TheGame into DayLight

Conflicts:
	Bermuda/Bermuda/GameTimer.cpp
	Bermuda/Bermuda/PlayState.cpp
	Bermuda/Bermuda/PlayState.h
	Bermuda/Bermuda/SDLInitializer.cpp
	Bermuda/Bermuda/SDLInitializer.h
Removed two unused resources
Added loop to light up animating entities. Added base class for LightEntity and LightContainer. TODO: change loop to light entities.
Changed loop and completed LightContainer. TODO: add campfire to light entity and complete light entity class.
Added campfire to light enttiy
Fix: campfire is removed from lightcontainer when destroyed
Added NightLayer class. Moved exisiting draw methods to NightLayer class
Optimasation 1: nightLayer isn't drawn when it's not dark
Added boolean to LightEntity to determine if light entity is shining
Merge branch 'Develop' of https://github.com/PimV/Bermuda-TheGame into DayLight

Conflicts:
	Bermuda/Bermuda/Bermuda.vcxproj.filters
	Bermuda/Bermuda/Campfire.h
	Bermuda/Bermuda/PlayState.cpp
FPS optimisation
Campfire doesn't shine light when it's not on fire
Delete nightlayer added to PlayState deconstructor
SDL_gpu library removed