use Tycho 0.18.1 instead of 0.16 so that JBTIS and JBDSIS use the same Tycho version
inherit version of repository-utils from parent (0.16.0.CR2)
Merge pull request #113 from nickboldt/newer-tycho

use Tycho 0.18.1 instead of 0.16 so that JBTIS and JBDSIS use the same Tycho version >> master