Added a dependency in Darwin for framework CoreVideo required by GLFW as of 3.0.4
Merge pull request #57 from juturnas/master

Added a dependency in Darwin for framework CoreVideo for GLFW 3.0.4
Update README.md
Remove reference to a go1.1.2-only issue.

"due to a bug in official Go packages" was affecting the installer for go1.1.2; it's no longer the case for go1.2, the current stable released version.
Change "Mac OS" to "OS X".
Merge pull request #60 from shurcooL/patch-1

Remove reference to a go1.1.2-only issue.
Fix #56
Delete empty space
Fix #8
Fix #40
Formatting
Remove extra function call
Update README.md
Fix #37
Update README.md
Update README.md
Add glfwPostEmptyEvent() support.
Add glfwSetDropCallback() support.

The cgo to Go type conversion in `goDropCB` is unfinished and needs to
be improved.
Update README.md
Update README.md
Update README.md