Add Opera Mobile UA to the mobile list

Add Opera Mobile UA to the mobile list.

Author: peterkroon

lib/codemirror.js

@@ -22,7 +22,7 @@ window.CodeMirror = (function() {
 
   var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
   // This is woefully incomplete. Suggestions for alternative methods welcome.
-  var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|IEMobile/i.test(navigator.userAgent);
+  var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent);
   var mac = ios || /Mac/.test(navigator.platform);
   var windows = /windows/i.test(navigator.platform);