Update Ace Editor version because text selection does not behave as expected in IE11

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: master, master-deprecated, 3.0.x, 3.1.x
• Fix Version/s: master, master-deprecated, 3.0.x, 3.1.x, 3.0.3-deprecated.58, 3.1.0-deprecated.19
• Component/s: ACE Editor
• Labels: None

An old version of Ace Editor is being used by AUI and needs to be updated.

This is caused by an old version of ACEEditor: https://github.com/ajaxorg/ace/issues/1751

We're currently using https://github.com/liferay/alloy-ui/blob/master/bower.json#L21, so we should be able to update it a little bit.