Added jekyll-sitemap, jekyll-date-format, and updated gems

Gemfile

@@ -4,9 +4,11 @@ group :development do
   gem 'rake', '~> 10.0'
   gem 'jekyll', '~> 2.0'
   gem 'jekyll-page-hooks', '~> 1.2'
-  gem 'rdiscount', '~> 2.0.7'
+  gem 'jekyll-date-format', '~> 1.0'
+  gem 'jekyll-sitemap'
+  gem 'rdiscount', '~> 2.0'
   gem 'RedCloth', '~> 4.2.9'
-  gem 'haml', '~> 3.1.7'
+  gem 'haml', '~> 4.0'
   gem 'compass', '~> 0.12.2'
   gem 'sass-globbing', '~> 1.0.0'
   gem 'rubypants', '~> 0.2.0'

Gemfile.lock

@@ -21,7 +21,8 @@ GEM
     fast-stemmer (1.0.2)
     ffi (1.9.3)
     fssm (0.2.10)
-    haml (3.1.8)
+    haml (4.0.5)
+      tilt
     jekyll (2.0.3)
       classifier (~> 1.3)
       colorator (~> 0.1)
@@ -37,6 +38,8 @@ GEM
       toml (~> 0.1.0)
     jekyll-coffeescript (1.0.0)
       coffee-script (~> 2.2)
+    jekyll-date-format (1.0.0)
+      jekyll (>= 1.0.0)
     jekyll-page-hooks (1.2.0)
       jekyll (>= 2.0.0)
     jekyll-sass-converter (1.0.0)
@@ -85,12 +88,13 @@ PLATFORMS
 DEPENDENCIES
   RedCloth (~> 4.2.9)
   compass (~> 0.12.2)
-  haml (~> 3.1.7)
+  haml (~> 4.0)
   jekyll (~> 2.0)
+  jekyll-date-format (~> 1.0)
   jekyll-page-hooks (~> 1.2)
   rake (~> 10.0)
   rb-fsevent (~> 0.9)
-  rdiscount (~> 2.0.7)
+  rdiscount (~> 2.0)
   rubypants (~> 0.2.0)
   sass-globbing (~> 1.0.0)
   sinatra (~> 1.4.2)

plugins/octopress_filters.rb

@@ -1,6 +1,8 @@
 #custom filters for Octopress
 require './plugins/backtick_code_block'
 require 'jekyll-page-hooks'
+require 'jekyll-sitemap'
+require 'jekyll-date-format'
 require './plugins/raw'
 require 'rubypants'