Requesting code review for week 1 intermediate-rails exercise

.gitignore

@@ -13,4 +13,5 @@ capybara-*.html
 /spec/tmp/*
 **.orig
 rerun.txt
-pickle-email-*.html
+pickle-email-*.html
+.DS_Store

Gemfile

@@ -0,0 +1,24 @@
+source 'https://rubygems.org'
+
+gem 'rails', '3.2.13'
+gem 'sqlite3'
+gem 'monban'
+gem 'strong_parameters'
+gem 'paperclip', '3.4.0'
+gem 'binding_of_caller'
+
+group :development do
+  gem 'sextant'
+  gem 'better_errors'
+end
+
+group :assets do
+  gem 'sass-rails',   '~> 3.2.3'
+  gem 'coffee-rails', '~> 3.2.1'
+  gem 'uglifier', '>= 1.0.3'
+  gem 'therubyracer'
+  gem 'less-rails'
+  gem 'twitter-bootstrap-rails'
+end
+
+gem 'jquery-rails'

Gemfile.lock

@@ -0,0 +1,164 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionmailer (3.2.13)
+      actionpack (= 3.2.13)
+      mail (~> 2.5.3)
+    actionpack (3.2.13)
+      activemodel (= 3.2.13)
+      activesupport (= 3.2.13)
+      builder (~> 3.0.0)
+      erubis (~> 2.7.0)
+      journey (~> 1.0.4)
+      rack (~> 1.4.5)
+      rack-cache (~> 1.2)
+      rack-test (~> 0.6.1)
+      sprockets (~> 2.2.1)
+    activemodel (3.2.13)
+      activesupport (= 3.2.13)
+      builder (~> 3.0.0)
+    activerecord (3.2.13)
+      activemodel (= 3.2.13)
+      activesupport (= 3.2.13)
+      arel (~> 3.0.2)
+      tzinfo (~> 0.3.29)
+    activeresource (3.2.13)
+      activemodel (= 3.2.13)
+      activesupport (= 3.2.13)
+    activesupport (3.2.13)
+      i18n (= 0.6.1)
+      multi_json (~> 1.0)
+    arel (3.0.2)
+    bcrypt-ruby (3.0.1)
+    better_errors (0.8.0)
+      coderay (>= 1.0.0)
+      erubis (>= 2.6.6)
+    binding_of_caller (0.7.2)
+      debug_inspector (>= 0.0.1)
+    builder (3.0.4)
+    cocaine (0.4.2)
+    coderay (1.0.9)
+    coffee-rails (3.2.2)
+      coffee-script (>= 2.2.0)
+      railties (~> 3.2.0)
+    coffee-script (2.2.0)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.6.2)
+    commonjs (0.2.6)
+    debug_inspector (0.0.2)
+    erubis (2.7.0)
+    execjs (1.4.0)
+      multi_json (~> 1.0)
+    hike (1.2.3)
+    i18n (0.6.1)
+    journey (1.0.4)
+    jquery-rails (3.0.1)
+      railties (>= 3.0, < 5.0)
+      thor (>= 0.14, < 2.0)
+    json (1.8.0)
+    less (2.3.2)
+      commonjs (~> 0.2.6)
+    less-rails (2.3.3)
+      actionpack (>= 3.1)
+      less (~> 2.3.1)
+    libv8 (3.11.8.17)
+    mail (2.5.4)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    mime-types (1.23)
+    monban (0.0.6)
+      bcrypt-ruby
+      rails
+      warden
+    multi_json (1.7.7)
+    paperclip (3.4.0)
+      activemodel (>= 3.0.0)
+      activerecord (>= 3.0.0)
+      activesupport (>= 3.0.0)
+      cocaine (~> 0.4.0)
+      mime-types
+    polyglot (0.3.3)
+    rack (1.4.5)
+    rack-cache (1.2)
+      rack (>= 0.4)
+    rack-ssl (1.3.3)
+      rack
+    rack-test (0.6.2)
+      rack (>= 1.0)
+    rails (3.2.13)
+      actionmailer (= 3.2.13)
+      actionpack (= 3.2.13)
+      activerecord (= 3.2.13)
+      activeresource (= 3.2.13)
+      activesupport (= 3.2.13)
+      bundler (~> 1.0)
+      railties (= 3.2.13)
+    railties (3.2.13)
+      actionpack (= 3.2.13)
+      activesupport (= 3.2.13)
+      rack-ssl (~> 1.3.2)
+      rake (>= 0.8.7)
+      rdoc (~> 3.4)
+      thor (>= 0.14.6, < 2.0)
+    rake (10.1.0)
+    rdoc (3.12.2)
+      json (~> 1.4)
+    ref (1.0.5)
+    sass (3.2.9)
+    sass-rails (3.2.6)
+      railties (~> 3.2.0)
+      sass (>= 3.1.10)
+      tilt (~> 1.3)
+    sextant (0.2.3)
+      activesupport (>= 3.2)
+      rails (>= 3.2)
+    sprockets (2.2.2)
+      hike (~> 1.2)
+      multi_json (~> 1.0)
+      rack (~> 1.0)
+      tilt (~> 1.1, != 1.3.0)
+    sqlite3 (1.3.7)
+    strong_parameters (0.2.0)
+      actionpack (~> 3.0)
+      activemodel (~> 3.0)
+      railties (~> 3.0)
+    therubyracer (0.11.4)
+      libv8 (~> 3.11.8.12)
+      ref
+    thor (0.18.1)
+    tilt (1.4.1)
+    treetop (1.4.14)
+      polyglot
+      polyglot (>= 0.3.1)
+    twitter-bootstrap-rails (2.2.7)
+      actionpack (>= 3.1)
+      execjs
+      rails (>= 3.1)
+      railties (>= 3.1)
+    tzinfo (0.3.37)
+    uglifier (2.1.1)
+      execjs (>= 0.3.0)
+      multi_json (~> 1.0, >= 1.0.2)
+    warden (1.2.1)
+      rack (>= 1.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  better_errors
+  binding_of_caller
+  coffee-rails (~> 3.2.1)
+  jquery-rails
+  less-rails
+  monban
+  paperclip (= 3.4.0)
+  rails (= 3.2.13)
+  sass-rails (~> 3.2.3)
+  sextant
+  sqlite3
+  strong_parameters
+  therubyracer
+  twitter-bootstrap-rails
+  uglifier (>= 1.0.3)