Merge pull request #293 from scalecube/travis-ci-cd

ci-cd using Travis CI

Author: artem-v

travis-settings.xml

@@ -22,7 +22,7 @@
         <repository>
           <id>central</id>
           <name>bintray</name>
-          <url>http://jcenter.bintray.com</url>
+          <url>https://jcenter.bintray.com</url>
           <snapshots>
             <enabled>false</enabled>
           </snapshots>