Ensure we use our references to certain native or upstream methods

Checked:
 ve.cloneObject       (oo|OO).cloneObject
 ve.getObjectValues   (oo|OO).getObjectValues
 ve.getObjectKeys     Object.keys
 ve.compare           (oo|OO).compare
 ve.copy              (oo|OO).copy
 ve.isPlainObject     ($|jQuery).isPlainObject
 ve.isEmptyObject     ($|jQuery).isEmptyObject
 ve.isArray           Array.isArray
 ve.bind              ($|jQuery).proxy
 ve.indexOf           ($|jQuery).inArray
 ve.extendObject      ($|jQuery).extend

Found only 1 violation.

Change-Id: I1bcce42a8fdcb0ee9eb0d846c546165c88046f40
Merge "Ensure we use our references to certain native or upstream methods"