Setup CI build environment.

- clone x-api
- use proper version of ruby.

Signed-off-by: Bronwyn Perry-Huston <bronhuston@gmail.com>
Signed-off-by: Cen Ge <cge@corelogic.com>
Signed-off-by: John Ryan <jtigger@infosysengr.com>

.travis.yml

 sudo: false
 
 script:
-  - bin/build.sh
+  - bin/journey-setup.sh

bin/journey-setup.sh

+#!/bin/bash
+
+rvm install 2.2.1
+rvm 2.2.1 do rvm env --path
+source $(rvm 2.2.1 do rvm env --path)
+
+git clone https://github.com/exercism/x-api
+cd x-api
+git submodule init -- tracks/java
+git submodule update
+
+gem install bundler
+bundle install
+rackup