.travis.yml in ably-rest-0.7.5 vs .travis.yml in ably-rest-0.8.1

- old
+ new

@@ -2,9 +2,11 @@
 language: ruby
 rvm:
 - 1.9.3
 - 2.0.0
 - 2.2.0
+before_install:
+  - git submodule update --init --recursive
 script: bundle exec rspec
 notifications:
   slack:
     secure: wIcB0kscOcVO41zOkOBLHDphzq/Lowrn40MI2mqQtcWcFkvHzcn3fIPoEH0YR8eul7bZ6ZHOLlJw3Qs8gE6VfrqLFVzZuAAv2vtzh26xkZCuQwmCn0o576mTWMSB6H8q71+t7GHZUL/ctMKtJNzwRBilppSaLjktEynS7UdiVO8=