Use ruby1.9.3

Gemfile

@@ -34,11 +34,6 @@ gem 'unicorn'
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
-group :development, :test do
-  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-  gem 'byebug'
-end
-
 group :development do
   # Access an IRB console on exception pages or by using <%= console %> in views
   gem 'web-console', '~> 2.0'

Gemfile.lock

@@ -42,7 +42,6 @@ GEM
     bootstrap3-rails (3.2.0)
       rails (>= 4.0.0)
     builder (3.2.2)
-    byebug (6.0.2)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -69,7 +68,7 @@ GEM
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
-    mime-types (2.6.1)
+    mime-types (2.6.2)
     mini_portile (0.6.2)
     minitest (5.8.0)
     multi_json (1.11.2)
@@ -116,7 +115,7 @@ GEM
     sdoc (0.4.1)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
-    spring (1.3.6)
+    spring (1.4.0)
     sprockets (3.3.4)
       rack (~> 1.0)
     sprockets-rails (2.3.3)
@@ -149,7 +148,6 @@ PLATFORMS
 DEPENDENCIES
   bootstrap3-rails
-  byebug
   coffee-rails (~> 4.1.0)
   jbuilder (~> 2.0)
   jquery-rails