start using rspec for tests

Gemfile.lock

@@ -81,6 +81,7 @@ GEM
     coffee-script-source (1.3.3)
     commonjs (0.2.6)
     daemons (1.1.9)
+    diff-lcs (1.2.4)
     erubis (2.7.0)
     eventmachine (1.0.3)
     exception_notification (2.6.1)
@@ -88,6 +89,11 @@ GEM
     execjs (1.4.0)
       multi_json (~> 1.0)
     expression_parser (0.9.0)
+    factory_girl (4.2.0)
+      activesupport (>= 3.0.0)
+    factory_girl_rails (4.2.1)
+      factory_girl (~> 4.2.0)
+      railties (>= 3.0.0)
     haml (3.1.7)
     haml-rails (0.3.5)
       actionpack (>= 3.1, < 4.1)
@@ -195,7 +201,17 @@ GEM
       redis-namespace (~> 1.2)
       sinatra (>= 0.9.2)
       vegas (~> 0.1.2)
-    ruby-prof (0.11.2)
+    rspec-core (2.14.2)
+    rspec-expectations (2.14.0)
+      diff-lcs (>= 1.1.3, < 2.0)
+    rspec-mocks (2.14.1)
+    rspec-rails (2.14.0)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      railties (>= 3.0)
+      rspec-core (~> 2.14.0)
+      rspec-expectations (~> 2.14.0)
+      rspec-mocks (~> 2.14.0)
     ruby-rc4 (0.1.5)
     sass (3.2.1)
     sass-rails (3.2.5)
@@ -222,7 +238,6 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.6)
-    test-unit (2.5.3)
     therubyracer (0.10.2)
       libv8 (~> 3.3.10)
     thin (1.5.1)
@@ -271,6 +286,7 @@ DEPENDENCIES
   coffee-rails (~> 3.2.1)
   daemons
   exception_notification
+  factory_girl_rails (~> 4.0)
   haml-rails
   inherited_resources
   jquery-rails
@@ -283,13 +299,12 @@ DEPENDENCIES
   quiet_assets
   rails (~> 3.2.9)
   resque
-  ruby-prof
+  rspec-rails
   sass-rails (~> 3.2.3)
   simple-navigation
   simple-navigation-bootstrap
   simple_form
   sqlite3
-  test-unit
   therubyracer
   thin
   twitter-bootstrap-rails