Update build configuration, add support for SBT 0.11, 0.13,
Remove JDK parameter at all from Travis CI settings, set memory heap to 512mb.
Move plugin to org.digimead namespace. Add osgi-fetch action.
Move back to sbt.osgi.manager. It was SBT issue #768. Various fixes for nested projects environment.
Fix logging, caching. Add nested project support.
Add version basic transformation for osgi-fetch.
Undate README.md, external resolver names, key names, bump version to 0.0.1.2.
Merge branch 'develop'