Wrong GLversion in OpenGL ES
GL_VERSION string is formatted differently in OpenGL ES 1 & 2 than it is in plain OpenGL and OpenGL ES 3.

See man pages:
https://www.opengl.org/sdk/docs/man4/html/glGetString.xhtml
http://www.khronos.org/opengles/sdk/1.1/docs/man/glGetString.xml
http://www.khronos.org/opengles/sdk/docs/man/xhtml/glGetString.xml
https://www.khronos.org/opengles/sdk/docs/man3/html/glGetString.xhtml
