Update gradle.properties

prepare for next version
Update README.md

codeship url, bintray download badge
Update README.md

Added a download badge
Provide a default logback.xml file
updated  to support Artifactory 3.2
version update
runtime scope fixed, groovy version upgrade
Merge branch 'master' of https://github.com/jbaruch/artifactory-client-java into jbaruch-master

Conflicts:
	README.md
Merge branch 'jbaruch-master'
next dev version
Merge pull request #41 from jbaruch/master

next dev version
use mapper when json and response body exist.
bump async-http-client to 1.8.7
Merge branch 'master' of github.com:charlesk40/artifactory-client-java