Merge branch 'master' into multi-monitor

Conflicts:
	examples/wave.c
	src/init.c
	src/internal.h
	src/window.c
	tests/accuracy.c
	tests/events.c
	tests/reopen.c

examples/triangle.c

@@ -27,6 +27,8 @@ int main(void)
     if (!window)
     {
         fprintf(stderr, "Failed to open GLFW window\n");
+
+        glfwTerminate();
         exit(EXIT_FAILURE);
     }