Merge remote-tracking branch 'mrdoob/master' into fixes

Author: emackey

static/index.html

@@ -607,7 +607,7 @@
 				currentProgram = program;
 
 				compileButton.style.color = '#00ff00';
-				compileButton.textContent = 'compiled succesfully';
+				compileButton.textContent = 'compiled successfully';
 
 				set_save_button('visible');