Updated watch method
Removed openReqShim as Chrome has removed setVersion and now supports onupgradeneeded
Removed Firefox as a test browser due to the dialog box asking for storage
Commit from Travis Build #24
Build - https://travis-ci.org/axemclion/jquery-indexeddb/builds/5328955
Branch : master@ 7d7b523454511797707d1f5f6134e8ca797b2386