Some Gemfile cleanup.

Gemfile

@@ -3,28 +3,16 @@ source 'http://rubygems.org'
 
 gem 'rails', '3.0.9'
 
-# don't use version 0.9.0 for now as it's known for causing trouble /w rails
-gem 'rake', '0.8.7'
-
-# Bundle edge Rails instead:
-# gem 'rails', :git => 'git://github.com/rails/rails.git'
-
 gem 'mysql2', '0.2.7'
-#gem 'sqlite3'
-
 gem 'activeadmin', '0.4.0'
 
 # https://github.com/plataformatec/devise
 gem 'devise', '1.2.1'
 gem 'bcrypt-ruby', '2.1.4'
-#gem 'bcrypt-ruby'
 
 # https://github.com/ryanb/cancan
 gem 'cancan', '1.6.5'
 
-# Use unicorn as the web server
-# gem 'unicorn'
-
 # Deploy with Capistrano
 gem 'capistrano', '2.5.21'
 
@@ -34,9 +22,6 @@ gem 'twitter', '1.6.0'
 # We are sending mail. The latest version is just fine.
 gem 'mail'
 
-# Anything newer than version 3.8 seems to require the json gem, which we don't have at the production site.
-gem 'rdoc', '3.8'
-
 # To use debugger (ruby-debug for Ruby 1.8.7+, ruby-debug19 for Ruby 1.9.2+)
 # gem 'ruby-debug'
 # gem 'ruby-debug19', :require => 'ruby-debug'

Gemfile.lock

@@ -124,7 +124,7 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (~> 0.14.4)
-    rake (0.8.7)
+    rake (0.9.2.2)
     rdoc (3.8)
     responders (0.6.5)
     sass (3.1.15)
@@ -156,6 +156,4 @@ DEPENDENCIES
   mail
   mysql2 (= 0.2.7)
   rails (= 3.0.9)
-  rake (= 0.8.7)
-  rdoc (= 3.8)
   twitter (= 1.6.0)