Updated copyright year (Yay, 515 file updated)
Regenerated global headers
Fixed some typo
Improved some shaders
-Blah blah blah-
Thank you all for supporting my project !
-Lynix
Former-commit-id: e4e741b318ba4f203da5ffd265bd5e516e7ffd7d
Added creation constructor to NzImage
Added member function functor
Added option to build Nazara as one library (instead of many)
Fixed some 2011 copyrights
Made use of "using def = T" C++11 feature instead of some illigible
typedefs
Removed unused premake file
