Restructured character test and character. Add player tests and their implementations.
Change image of license in README. LGPL to GPL.
Move life's tests and methods of Player to Character. Used unsigned int to life, height and width.
Remove unused components. The code compile faster now.
Add flags -Wextra to Cmake debug mode.
Restructured character and player. Character is abstract class now.
removed unused lib pthread
Merge pull request #1 from alesegdia/master

removed unused lib pthread
Remove using namespace irr.
Change standard C++03 to C++11
Change std=c++11 to std=c++0x. Is work in TravisCI.
Added the observers types for scene module, and added the namespaces to that module too.