move utils/SkEGLContext to gpu/SkGLContext, some gpu.gyp cleanup, set eol style LF on all gpu files

Review URL: http://codereview.appspot.com/5242056/



git-svn-id: http://skia.googlecode.com/svn/trunk@2474 2bbb7eff-a529-9590-31e7-b0007b416f81
14 files changed