Define STANDALONE as MongoDB 3.2 on Travis CI

Author: jmikola

.travis.yml

@@ -18,7 +18,7 @@ before_install:
   - sudo pip install cpp-coveralls
   - sudo pip install ${MONGODB_ORCHESTRATION_REPO}
   - sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
-  - echo "deb http://repo.mongodb.org/apt/ubuntu "$(lsb_release -sc)"/mongodb-org/3.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.0.list
+  - echo "deb http://repo.mongodb.org/apt/ubuntu "$(lsb_release -sc)"/mongodb-org/3.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.2.list
   - sudo apt-get update
   - sudo apt-get install -y mongodb-org
   - sudo apt-get install gdb valgrind