sqlite3, test coverage improvements, auto auth

Gemfile

@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby "2.2.2"
+ruby "2.2.3"
 
 gem 'figaro', '~> 1.1.1'
 gem 'bcrypt', '~> 3.1.7'
@@ -13,19 +13,13 @@ gem 'haml-rails', "~> 0.9"
 gem 'jquery-rails'
 gem 'json', '~> 1.8.3'
 gem 'mailjet', '~> 1.1.0'
-gem 'mysql2', '~> 0.3.20'
 gem 'responders', '~> 2.1.0'
 gem 'sass-rails', '~> 5.0'
 gem 'sorcery', '~> 0.9.1'
+gem 'sqlite3', '~> 1.3.11'
 gem 'twilio-ruby', '~> 4.3.0'
 gem 'uglifier', '>= 1.3.0'
 
-# gem 'faraday'
-# gem 'faraday_middleware'
-# gem 'rack-protection', '~> 1.5.3'
-# gem 'rabl-rails', '~> 0.4.1'
-# gem 'jbuilder', '~> 2.0'
-
 group :development, :test do
   gem 'awesome_print'
   gem 'binding_of_caller'