Add gradle wrapper (configured with gradle 1.10)
Add "gradle -version" to travis to see what version it's using
switch gradle -> ./graddlew in .travis.yml
CONTRIBUTING.md - change gradle -> ./gradlew
recipe to add dbfit project root to PATH
add path to gradlew instead of loading gradle recipe
test_vm - provision java explicitly (prior was pulled as gradle dependency)
Merge pull request #193 from benilovj/gradle-wrapper

Add gradle wrapper