Add guard Gemfile groups.

Gemfile

@@ -1,3 +1,15 @@
 source 'http://rubygems.org'
 
 gemspec
+
+group :guard do
+  gem 'guard'
+  gem 'guard-ego'
+  gem 'guard-sass'
+  gem 'guard-coffeescript'
+end
+
+group :guard_mac do
+  gem 'rb-fsevent'
+  gem 'growl'
+end

Gemfile.lock

@@ -29,6 +29,17 @@ GEM
     execjs (1.0.0)
       multi_json (~> 1.0)
     fssm (0.2.7)
+    growl (1.0.3)
+    guard (0.3.4)
+      thor (~> 0.14.6)
+    guard-coffeescript (0.2.4)
+      coffee-script (~> 2.2.0)
+      guard (~> 0.3.0)
+    guard-ego (0.0.1)
+      guard (>= 0.2.1)
+    guard-sass (0.1.2)
+      guard (>= 0.2.1)
+      sass (>= 3.1)
     haml (3.1.1)
     i18n (0.6.0)
     mail (2.3.0)
@@ -39,6 +50,7 @@ GEM
     multi_json (1.0.3)
     polyglot (0.3.1)
     rack (1.3.0)
+    rb-fsevent (0.4.0)
     sass (3.1.1)
     sinatra (1.2.6)
       rack (~> 1.1)
@@ -51,6 +63,7 @@ GEM
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
+    thor (0.14.6)
     tilt (1.3.2)
     treetop (1.4.9)
       polyglot (>= 0.3.1)
@@ -61,5 +74,11 @@ PLATFORMS
 DEPENDENCIES
   coffee-script (~> 2.2)
   compass (~> 0.11.1)
+  growl
+  guard
+  guard-coffeescript
+  guard-ego
+  guard-sass
   mailcatcher!
+  rb-fsevent
   sass (~> 3.1)