Added reachability to help determine if there is an active internet connection or not.
add ed notifications to alert the other classes that internet has returned.
fixed an issue where if app was in the prioritiinzng the queues, the cellforindexpath would try to addOperations but because it the queue was suspended they were un able to get on.  however, the dictionary in the pending operations still kept a reference to that nsoperation even though it wasn’t on the queue.
cleaning up
Merge pull request #4 from wh1pch81n/reachability

Reachability