rake file now on application.yml: fixes issue #78
Build in global MongoConnections object to provide a pool of possible connections

Remove unused config param

Fix merge conflict w/ app config
Merge branch 'globalconn' of git://github.com/drcapulet/mongo-tools into drcapulet-globalconn

Conflicts:
	config/application.yml
Merge pull request #42 from kiran-b/restapi

Pulling in initial version of the REST API