Merge pull request #1 from jeromegn/master

Update
Replaced DOMException.QUOTA_EXCEEDED_ERR with its value

Replaced DOMException.QUOTA_EXCEEDED_ERR with its value in order to
support IE8, since DOMException is not defined in IE8 and below.
Merge pull request #96 from schickling/master

Replaced DOMException.QUOTA_EXCEEDED_ERR with its value