DEVELOPER-838 use blinkr 0.1.0
DEVELOPER-837 install RVM if missing and use RVM in non-interactive mode
Merge pull request #407 from pmuir/DEVELOPER-837

DEVELOPER-837 install RVM if missing and use RVM in non-interactive mode
Merge pull request #404 from pmuir/DEVELOPER-838

DEVELOPER-838 use blinkr 0.1.0
Use wraith 1.3.0

All my changes are merged