In the process of implementing splecular lighting

	modified:   Makefile
Typo fixed.  make clean now removes the application directory.
	modified:   dist/fragment.glsl
Includes sample material properties and specular lighting calculations now (needs fixing)
	modified:   src/Window.cpp
View matrix now updates the cameraPosition in fragment.glsl
	modified:   src/Window.h
Added glsl variable location