Started filling in mongo pieces for article queue
Added a Queue field to the article struct for distributing articles across mongo
Added Dequeue time to help with sorting out which article should be processed next without clobbering servers
Added the ArticleQ collection to the cleanup func
Moved article queue stuff out of the article handling and into its own file
Adding in the Article Queue handling funcs
Implemented try-counting for the article queue to prevent cyclic processing
Merge branch 'article-queue'