added travis config
disable Java 8 in .travis.yml
single step install & test
nice README, build status image
build status for master and develop
Merge pull request #4 from autermann/feature/travis-ci

Travis CI integration
Merge pull request #5 from 52North/develop

Merge with Develop
Update README wiht additional information

- Add Branches and Code compilation sections
- Add Distributions section with Download, Contents and Installation sub-sections