#81: sort projects list alphabetically when no search
#81: some refactoring
Merge pull request #204 from abf/rosa-build:81-sort-projects-list-alphabetically
 #81: sort projects list alphabetically
#168: removed bs_id from build_list
#168: fixed specs, refactoring of ActivityFeed
#168: removed #add_to_queue method from BuildList
#168: updated migration
Merge pull request #205 from abf/rosa-build:168-remove-bs_id-field-from-DB
 #168: Remove bs_id field from DB