reconstruct GLES20Renderer.java, extents GLRenderer
added method in GLES20SurfaceView.java to configure renderer, apply reusability
changed Triangle class to Points, mark: working version
added setting point size in vertex shader in Points.java
moved NavigationDrawerGragment.java and Dialog_Fragment.java into UI
moved Points.java into Points package
moved opengles20 surfaceView, renderer(abstract class) and openglES20 renderer into openGLES20Support package
added moved files
modified moved classes packages and reimport changed classes