[#44870533] Added checking presence of Rakefile and tasks (db:migration and db:setup).
Merge branch 'master' into 44870533-presence-of-Rakefile-is-not-checked-by-shelly-check
Added changelog for version 0.2.7.
Merge pull request #65 from shellycloud/44870533-presence-of-Rakefile-is-not-checked-by-shelly-check

[#44870533] Added checking presence of Rakefile and tasks (db:migration and db:setup).