Added constructor from reference (possibly a bad idea)
Added controller support
Added copyright
Replaced lambda with std::mem_fn
Lambda capture by value instead of reference
Lambda code-style change
Merge branch 'dev' of github.com:Gazok/Tank into dev
Removed Game.hpp include from Entity.hpp
Small change to collision code
Added getType function
Added extra connect functions on entity not requiring lambdas.
Merge branch 'master' into dev
Merge branch 'master' into dev
Entity+Graphic origins, insert/clearGraphic in Entity
Added skeletal ConvexShape
Merge branch 'dev' into SAT
Added Game include to Entity.cpp
Created /= in vector for dividing by a scalar.
Added left addition, subtraction and multiplication by scalars.
Some updates to documentation.