switch to ruby 2.3.0 (#572)

.ruby-version

@@ -1 +1 @@
-2.1.3
+2.3.0

.travis.yml

@@ -5,7 +5,7 @@ cache:
   directories:
   - app/assets/javascripts/node_modules
 rvm:
-  - 2.1.3
+  - 2.3.0
 before_script:
   - echo "Rspec setup"
   - export RAILS_ENV=test

Gemfile

@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '2.1.3'
+ruby '2.3.0'
 
 gem 'rails'
 

Vagrantfile

@@ -9,7 +9,7 @@ sudo apt-get install git curl -y
 
 # rvm and ruby
 su - vagrant -c 'curl -sSL https://rvm.io/mpapis.asc | gpg --import -'
-su - vagrant -c 'curl -sSL https://get.rvm.io | bash -s stable --ruby=2.1.3'
+su - vagrant -c 'curl -sSL https://get.rvm.io | bash -s stable --ruby=2.3.0'
 
 # install some other deps
 sudo apt-get install nodejs -y

doc/MacInstallation.md

@@ -7,8 +7,8 @@ Some of these steps are pulled from http://www.moncefbelyamani.com/how-to-instal
 Install homebrew
 
     \curl -sSL https://get.rvm.io | bash -s stable --rails
-    rvm install 2.1.3 --with-gcc=clang
-    rvm use 2.1.3
+    rvm install 2.3.0 --with-gcc=clang
+    rvm use 2.3.0
     gem install lunchy 
 
 Now install homebrew. 

doc/production/first-deploy.md

@@ -100,8 +100,8 @@ Put the following code into `/etc/init/metamaps_delayed_worker.conf`:
     chdir /home/metamaps/metamaps
     
     env HOME=/home/metamaps
-    env PATH="/usr/local/rvm/gems/ruby-2.1.3@metamaps/bin:/usr/local/rvm/gems/ruby-2.1.3@global/bin:/usr/local/rvm/rubies/ruby-2.1.3/bin:/usr/local/rvm/bin:/usr/local/bin:/usr/bin:/bin"
-    env GEM_PATH="/usr/local/rvm/gems/ruby-2.1.3@metamaps:/usr/local/rvm/gems/ruby-2.1.3@global"
+    env PATH="/usr/local/rvm/gems/ruby-2.3.0@metamaps/bin:/usr/local/rvm/gems/ruby-2.3.0@global/bin:/usr/local/rvm/rubies/ruby-2.3.0/bin:/usr/local/rvm/bin:/usr/local/bin:/usr/bin:/bin"
+    env GEM_PATH="/usr/local/rvm/gems/ruby-2.3.0@metamaps:/usr/local/rvm/gems/ruby-2.3.0@global"
     env RAILS_ENV="production"
     
     respawn