issue #230
#396 method remove() for MkMilestones
Merge pull request #43 from jcabi/master

merge from master to my branch
Issue #398 was implemented
Merge branch 'master' into 396
issue_230
issue #216
erased MkForksTest.createsFork() bad implementation
remove unused imports, and add comment to non-implemented test method.
Merge pull request #382 from jac1013/issue_216

#382: pull request issue #216
Merge pull request #438 from lthuangiang/398

#438: pull request Issue #398 was implemented
Merge pull request #435 from amihaiemil/396

#435: pull request #396 method remove() for MkMilestones