Add render dino and move it by inputs
Merge branch 'add_dino' into develop

Conflicts:
	src/EntityManager.cpp
	src/GameManager.cpp
Comment SoundManager class
Modify EntityManager to have Singleton
Create SoundEntity class
Merge branch 'develop' of github.com:Symptogen/Symptogen into develop

Conflicts:
	src/EntityManager.cpp
	src/EntityManager.h
Move camera
the character is always at the center
problem with the pause menu
Transform EntityManager into Singleton
Merge branch 'develop' of https://github.com/Symptogen/Symptogen into develop

Conflicts:
	src/EntityManager.cpp
Merge branch 'develop' of https://github.com/Symptogen/Symptogen into develop

Conflicts:
	src/GameManager.cpp
correct little  bug in GameManager (because of the new singleton class)
Add physical dino - move character with box2D (v1)
change physicalManager to physicalWorld and add some change to physicalEntity in order to match the CDCT.
Merge branch 'develop' of https://github.com/Symptogen/Symptogen into develop

Conflicts:
	src/EntityManager.cpp
	src/GameManager.cpp
Close #25

Add generic singleton
Merge branch 'develop' of github.com:Symptogen/Symptogen into develop

Conflicts:
	src/GameManager.cpp
minor change in GameManager
Add test level
Switch from tinyxml2 to tinyxml
Merge branch 'develop' of https://github.com/Symptogen/Symptogen into develop

Conflicts:
	src/EntityManager.cpp
	src/GameManager.cpp
	src/Parser.cpp
	src/physic/PhysicalEntity.h
	src/physic/PhysicalManager.h
	src/physic/PhysicalWorld.cpp
Merge branch 'develop' of https://github.com/Symptogen/Symptogen into develop