Add SimpleCov for code coverage analysis

Also make sure Puma is used only in production

.gitignore

@@ -21,3 +21,4 @@
 /public/uploads/tmp/*
 /public/uploads/speaker_profile/*
 .sass-cache/
+/coverage/

Gemfile

@@ -20,7 +20,6 @@ gem 'devise'
 gem 'devise-i18n'
 
 gem 'simple_form', '~> 3.1.0.rc2'
-gem 'simple_form_fancy_uploads', github: 'apeacox/simple_form_fancy_uploads'
 
 # Phone validation
 gem 'phony_rails'
@@ -33,7 +32,7 @@ gem 'capistrano'
 gem 'capistrano-rails'
 gem 'capistrano-rvm'
 
-gem 'puma'
+gem 'puma', group: :production
 
 gem 'globalize'
 
@@ -65,4 +64,5 @@ group :development, :test do
   gem 'factory_girl_rails'
   gem 'faker'
   gem 'capybara'
+  gem 'simplecov'
 end

Gemfile.lock

@@ -1,12 +1,3 @@
-GIT
-  remote: git://github.com/apeacox/simple_form_fancy_uploads.git
-  revision: 71a52b4060739c2dd0471cd07d3a57e7c957da1d
-  specs:
-    simple_form_fancy_uploads (0.1.1)
-      carrierwave
-      rails (>= 4.0.0)
-      simple_form (~> 3.0)
-
 GIT
   remote: git://github.com/jetthoughts/yaml_db.git
   revision: fb4b6bd7e12de3cffa93e0a298a1e5253d7e92ba
@@ -103,6 +94,7 @@ GEM
       warden (~> 1.2.3)
     devise-i18n (0.11.2)
     diff-lcs (1.2.5)
+    docile (1.1.5)
     erubis (2.7.0)
     execjs (2.2.2)
     factory_girl (4.5.0)
@@ -242,6 +234,11 @@ GEM
     simple_form (3.1.0.rc2)
       actionpack (~> 4.0)
       activemodel (~> 4.0)
+    simplecov (0.9.1)
+      docile (~> 1.1.0)
+      multi_json (~> 1.0)
+      simplecov-html (~> 0.8.0)
+    simplecov-html (0.8.0)
     slim (2.1.0)
       temple (~> 0.6.9)
       tilt (>= 1.3.3, < 2.1)
@@ -326,7 +323,7 @@ DEPENDENCIES
   rspec-rails
   sass-rails (~> 5.0.0.beta1)
   simple_form (~> 3.1.0.rc2)
-  simple_form_fancy_uploads!
+  simplecov
   slim-rails
   spring
   spring-commands-rspec

spec/rails_helper.rb

@@ -1,3 +1,6 @@
+require 'simplecov'
+SimpleCov.start 'rails'
+
 # This file is copied to spec/ when you run 'rails generate rspec:install'
 ENV["RAILS_ENV"] ||= 'test'
 require 'spec_helper'