fix creating autolinks from commits
small refactoring
Merge pull request #193 from abf/rosa-build:fix_creating_autocomments_from_commit
 fix creating autolinks from commits
#193: fixed undefined method count
#193: hot fix
#195: updated MassBuild model, added specs
#195: removed empty lines
Merge pull request #196 from abf/rosa-build:195-save-unique-projects
 #195: Save in MassBuild#projects_list only unique projects.