created simple travis configuration
added oraclejdk8 and openjdk6 to build matrix
increased tycho version to 0.18.1 to support maven 3.1
ref: http://wiki.eclipse.org/Tycho/Release_Notes/0.18
fixed compile error - forgot to define variable
Merge remote-tracking branch 'origin/compile-fix' into travis-ci
removed oraclejdk8 and added openjdk7
execute mvn install instead of mvn test, because the latter fails on com.robotoworks.mechanoid with Artifact has not been packaged yet.
Merge pull request #220 from masconsult/travis-ci

Added configuration to use Travis CI