Merge pull request #3300 from edx/platform/update-forums-to-ruby23

Update to Ruby 2.3.0 for forums.

docker/build/forum/ansible_overrides.yml

@@ -4,10 +4,8 @@ FLOCK_TLD: "edx"
 
 FORUM_MONGO_HOSTS:
   - mongo.{{ FLOCK_TLD }}
-  
+
 FORUM_ELASTICSEARCH_HOST: "es.{{ FLOCK_TLD }}"
-forum_source_repo: "https://github.com/open-craft/cs_comments_service.git"
-forum_version: "mongoid5"
 FORUM_USE_TCP: "true"
 FORUM_RACK_ENV: "staging"
-FORUM_SINATRA_ENV: "staging"
\ No newline at end of file
+FORUM_SINATRA_ENV: "staging"

playbooks/roles/forum/defaults/main.yml

@@ -60,7 +60,7 @@ forum_environment:
   LISTEN_PORT: "{{ FORUM_LISTEN_PORT }}"
 
 forum_user: "forum"
-forum_ruby_version: "1.9.3-p551"
+forum_ruby_version: "2.3.0"
 forum_source_repo: "https://github.com/edx/cs_comments_service.git"
 forum_version: "master"