v1.15

• cbc334f Added gradle s2i builder images (#113) by Abhishek Pratap Singh
• e1ac4bd Fix sonarqube builds and use latest release (#250) by Petter Abrahamsson
• c0ff09c Add scl_enable to jenkins-slave-ansible to enable python 3.6 (#243) by Petter Abrahamsson
• 0c0193f Update to v2.1.1 of the applier (#249) by Petter Abrahamsson