+ - oxygen:
+ branch: 'master'
+ jre: 'openjdk8'
+ - nitrogen:
+ branch: 'stable/nitrogen'
+ jre: 'openjdk8'
+ - carbon:
+ branch: 'stable/carbon'
+ jre: 'openjdk8'
+ karaf-version: karaf3
+ - boron:
+ branch: 'stable/boron'
+ jre: 'openjdk8'
+ karaf-version: karaf3