Make sure we load all applications with stats defs
Make sure we load all applications with stats defs

couch_stats app relies on application:loaded_applications.
While in the test suite we have to load the apps manually
prior to start couch_stats app.
Note: We are just loading deps but not starting them.
The commit is also needed for COUCHDB-2552.

COUCHDB-2547

cloudant/couchdb-couch,fkaempfer/couchdb,smithsz/couchdb-couch,ngpestelos/couchdb-couch,apache/couchdb-couch,ngpestelos/couchdb-couch,apache/couchdb-couch,cloudant/couchdb-couch,smithsz/couchdb-couch,fkaempfer/couchdb,smithsz/couchdb-couch,KlausTrainer/couchdb-couch,cloudant/couchdb-couch,fkaempfer/couchdb,KlausTrainer/couchdb-couch,apache/couchdb-couch,fkaempfer/couchdb,alanning/couchdb-couch,fkaempfer/couchdb,alanning/couchdb-couch,fkaempfer/couchdb,alanning/couchdb-couch,KlausTrainer/couchdb-couch,ngpestelos/couchdb-couch