fixed issue #156
Merge pull request #39 from jcabi/master

merge from master to my branch
Issue #375 Implemented RtReleasesITCase#canCreateRelease
Issue #300 - Implemented the remove() method of MkPublicKeys
Issue #375 Refactored number variable
Merge pull request #379 from carlosmiranda/375

#379: pull request Issue #375 Implemented RtReleasesITCase#canCreateRelease
Issue #222: Removed the completed todo
Merge pull request #403 from asinyagin/issue222

Issue #222: Removed the completed todo
Merge pull request #380 from lthuangiang/300

#380: pull request Issue #300 - Implemented the remove() method of MkPublicKeys
Merge branch 'master' of github.com:jcabi/jcabi-github
#313 fixed RtHooks for API change
Merge pull request #313 from svarovski/master

#313: pull request fixed issue #156