Merge pull request #9 from megha-ag/master

Merge broker interface unit tests for redis Q into one spec. Added new t...
Merge pull request #14 from megha-ag/master

Fixed issue #13 -Passing callback in the CreateQueue() function call in ...
Merge pull request #15 from megha-ag/master

Added queue.deleteQueue() method.
CHANGED:Minor tweaks to tests
FIXED:Earlier tests did not delete the temp file they created. Now tests delete the file and it has also been added to .gitignore in case tests do not delete it