#760 Fixes for JDK 6 build
Issue-765 MkPublicKeyTest.canBePatched() fixed.
* Key value and title hard-coded instead of random generation that was cause of test's instability.
Issue-771. RtReleaseITCase.java fixed.
* now new initialized repo will be used instead of predefined(possibly not initialized) repo;
* unnecessary fields, "before" and "after" methods removed.
Issue-771. RtReleasesITCase.java auto initialization of repo added.
Issue-771. RtReleaseAssetITCase.java auto initialization of repo added.
Issue-771. RtReleaseAssetsITCase.java auto initialization of repo added.
Issue-771. RtTagITCase.java auto initialization of repo added.
Issue-771. RtTagsITCase.java auto initialization of repo added.
Issue-771. RtReferencesITCase.java auto initialization of repo added.
Issue-771. RtBlobsITCase.java auto initialization of repo added.
Issue-771. random numeric names of repos replaced with random alphanumeric names.
Issue-771. try-catch replaced with @BeforeClass and @AfterClass
Merge pull request #776 from aistomin/Issue-771

#776: pull request Issue 771 Repo initialization added for integration tests
Merge pull request #775 from aistomin/Issue-765

#775: pull request Issue-765 MkPublicKeyTest.canBePatched() fixed.
Merge pull request #764 from carlosmiranda/760

#764: pull request #760 Fixes for JDK 6 build
#master: maven badge
Merge branch 'master' of github.com:jcabi/jcabi-github
Merge remote-tracking branch 'upstream/master'