Add multiple simple OpenGL cubes to one context and set up perspective for the individual cubes

Add multiple simple OpenGL cubes to one context and set up perspective for
the individual cubes

References

Reference NO 1

http://stackoverflow.com/questions/15189134/add-multiple-simple-opengl-cubes-to-one-context-and-set-up-perspective-for-the-i

Reference NO 2

http://stackoverflow.com/questions/18242938/dynamically-render-lines-between-vertices-opengl

Reference NO 3

http://stackoverflow.com/questions/17910413/glkview-gives-failed-to-make-complete-framebuffer-object-8cd6-error

Reference NO 4

http://www.opengl.org/archives/resources/features/KilgardTechniques/oglpitfall/

Reference NO 5

http://games.ianterrell.com/learn-the-basics-of-opengl-with-glkit-in-ios-5/

Reference NO 6

http://www.silverbaytech.com/2013/08/26/opengl-es-2-0-shaders-some-context/

Reference NO 7

http://www.raywenderlich.com/5235/beginning-opengl-es-2-0-with-glkit-part-2

Reference NO 8

#EANF#