update README
cleanup
change MIT->Apache2 - is just more wide spread and as I am the only contributor at the moment it is easy now
rm cloudbees badge
add travis.yml
add travis-ci build status badge
add jcenter usage
rm typo
fix version fuckup
also fix version foo in REAME
Allow installation to local repository via `gradle install`.

+ Re-enable Maven plug-in disabled in commit a5148f0e8edf33864dd7b249a7e1e812d4ca24e5
+ Add missing group id to avoid error message:
  `For artifact {:TraceDroid:1.1:jar}: The groupId cannot be empty.`
+ Resolves issue #1.