.travis.yml in protobuffy-3.6.0 vs .travis.yml in protobuffy-4.0.0

@@ -1,11 +1,31 @@
+before_install:
+  - sudo apt-get update -qq
+  - sudo apt-get install -y libzmq3-dev
+  - sudo -E ./install-protobuf.sh
+  - java -Xmx1g -version
+  - javac -J-Xmx1g -version
+  - export JRUBY_OPTS=-J-Xmx1g
+  # Required for rainbow installation issue, https://github.com/sickill/rainbow/issues/44
+  - gem update --system
+  - gem update bundler
 language: ruby
 rvm:
-- 1.9.3
-- 2.3.1
-before_install:
-- gem install bundler
-script: NO_COMPILE_TEST_PROTOS=1 bundle _1.12.5_ exec rake spec/lib
+  - 1.9.3
+  - 2.0.0
+  - 2.1
+  - 2.2
+  - 2.2.2
+  - 2.3
+  - jruby-9.1.7.0
+  - rbx-2
+env:
+  - PROTOBUF_VERSION=2.6.1
+  - PROTOBUF_VERSION=3.0.0-alpha-2
+matrix:
+  allow_failures:
+    - rvm: rbx-2
+    - env: PROTOBUF_VERSION=3.0.0-alpha-2
 notifications:
   webhooks:
     urls:
     - https://webhooks.gitter.im/e/51a956bcd2b1854d6756
     on_success: change