add guard and livereload

Gemfile

@@ -53,7 +53,9 @@ end
 group :development do
   # Access an IRB console on exception pages or by using <%= console %> in views
   gem 'web-console', '~> 2.0'
-
+  # guard handle events on file system modifications.
+  gem 'guard'
+  gem 'guard-livereload'
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
 end

Gemfile.lock

@@ -44,6 +44,7 @@ GEM
       debug_inspector (>= 0.0.1)
     builder (3.2.2)
     byebug (6.0.2)
+    coderay (1.1.0)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -55,15 +56,36 @@ GEM
     database_cleaner (1.5.0)
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
+    em-websocket (0.5.1)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
     erubis (2.7.0)
+    eventmachine (1.0.8)
     execjs (2.6.0)
     factory_girl (4.5.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.5.0)
       factory_girl (~> 4.5.0)
       railties (>= 3.0.0)
+    ffi (1.9.10)
+    formatador (0.2.5)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
+    guard (2.13.0)
+      formatador (>= 0.2.4)
+      listen (>= 2.7, <= 4.0)
+      lumberjack (~> 1.0)
+      nenv (~> 0.1)
+      notiffany (~> 0.0)
+      pry (>= 0.9.12)
+      shellany (~> 0.0)
+      thor (>= 0.18.1)
+    guard-compat (1.2.1)
+    guard-livereload (2.5.0)
+      em-websocket (~> 0.5)
+      guard (~> 2.8)
+      guard-compat (~> 1.0)
+      multi_json (~> 1.8)
     haml (4.0.7)
       tilt
     haml-rails (0.9.0)
@@ -77,6 +99,7 @@ GEM
       haml (~> 4.0.0)
       nokogiri (~> 1.6.0)
       ruby_parser (~> 3.5)
+    http_parser.rb (0.6.0)
     i18n (0.7.0)
     jbuilder (2.3.1)
       activesupport (>= 3.0.0, < 5)
@@ -95,17 +118,30 @@ GEM
       sprockets (> 2, < 4)
       tilt
     libv8 (3.16.14.11)
+    listen (3.0.3)
+      rb-fsevent (>= 0.9.3)
+      rb-inotify (>= 0.9)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
+    lumberjack (1.0.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
+    method_source (0.8.2)
     mime-types (2.6.2)
     mini_portile (0.6.2)
     minitest (5.8.0)
     multi_json (1.11.2)
     mysql2 (0.3.20)
+    nenv (0.2.0)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
+    notiffany (0.0.8)
+      nenv (~> 0.1)
+      shellany (~> 0.0)
+    pry (0.10.3)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -135,6 +171,9 @@ GEM
       thor (>= 0.18.1, < 2.0)
     raindrops (0.15.0)
     rake (10.4.2)
+    rb-fsevent (0.9.6)
+    rb-inotify (0.9.5)
+      ffi (>= 0.5.0)
     rdoc (4.2.0)
     ref (2.0.0)
     rspec-core (3.3.2)
@@ -167,6 +206,8 @@ GEM
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
     sexp_processor (4.6.0)
+    shellany (0.0.1)
+    slop (3.6.0)
     spring (1.4.0)
     sprockets (3.3.4)
       rack (~> 1.0)
@@ -209,6 +250,8 @@ DEPENDENCIES
   coffee-rails (~> 4.1.0)
   database_cleaner
   factory_girl_rails
+  guard
+  guard-livereload
   haml
   haml-rails
   jbuilder (~> 2.0)

Guardfile

@@ -0,0 +1,24 @@
+# A sample Guardfile
+# More info at https://github.com/guard/guard#readme
+
+## Uncomment and set this to only include directories you want to watch
+# directories %w(app lib config test spec features) \
+#  .select{|d| Dir.exists?(d) ? d : UI.warning("Directory #{d} does not exist")}
+
+## Note: if you are using the `directories` clause above and you are not
+## watching the project directory ('.'), then you will want to move
+## the Guardfile to a watched dir and symlink it back, e.g.
+#
+#  $ mkdir config
+#  $ mv Guardfile config/
+#  $ ln -s config/Guardfile .
+#
+# and, you'll have to watch "config/Guardfile" instead of "Guardfile"
+
+guard 'livereload' do
+  watch(%r{views/.+\.(erb|haml|slim)$})
+  watch(%r{helpers/.+\.rb})
+  watch(%r{controllers/.+\.rb})
+  watch(%r{models/.+\.rb})
+  watch(%r{public/.+\.(css|js|html)})
+end