Merge branch 'master' into multi-monitor

Conflicts:
	.gitignore
	src/CMakeLists.txt
	src/x11_window.c

src/cocoa_init.m

@@ -101,6 +101,9 @@ int _glfwPlatformInit(void)
 
     _glfwInitJoysticks();
 
+    if (!_glfwInitOpenGL())
+        return GL_FALSE;
+
     _glfwLibrary.NS.eventSource = CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
     if (!_glfwLibrary.NS.eventSource)
         return GL_FALSE;
@@ -139,6 +142,8 @@ int _glfwPlatformTerminate(void)
 
     _glfwTerminateJoysticks();
 
+    _glfwTerminateOpenGL();
+
     return GL_TRUE;
 }