Fixed an error ('no README') during automake

It was applied by reading http://stackoverflow.com/questions/15013672/use-autotools-with-readme-md
[OS X] added missing options in opengl_LIBS
Improved OpenGL context creation and GLSL version display
Update README.md

* Added "How to decide which you use git branch" in Japanse
Fix merge conflicts with shinokaro pull request
Merge branch 'master' of https://github.com/shinokaro/MikuMikuPenguin into shinokaro-master

Conflicts:
	shaders/bulletDebug.vert
	shaders/model.vert
	src/viewer.cpp
Missed merge conflicts in bulletDebug.vert/.frag
Merge branch 'yabuki-master'