diff --git a/Gemfile b/Gemfile
index 0ace218c6..65f5da383 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'http://rubygems.org'
 
-gem 'rails', '3.2.6' #, :git => 'git://github.com/rails/rails.git'
+gem 'rails', '3.2.7' #, :git => 'git://github.com/rails/rails.git'
 
 gem 'pg', '~> 0.14.0'
 # gem 'silent-postgres', :git => 'git://github.com/dolzenko/silent-postgres.git' #'~> 0.1.1'
@@ -31,7 +31,7 @@ gem 'github-linguist', '~> 2.1.2', :require => 'linguist'
 gem 'diff-display', '~> 0.0.1'
 
 # Wiki
-gem "gollum", "1.3.1"
+gem "gollum", :git => 'git://github.com/github/gollum.git'
 gem "redcarpet", "1.17.2"
 gem 'creole'
 gem 'rdiscount'
@@ -41,7 +41,7 @@ gem 'wikicloth'
 
 gem 'unicorn', '~> 4.3.1', :platforms => [:mri, :rbx]
 gem 'trinidad', '~> 1.0.2', :platforms => :jruby
-gem 'newrelic_rpm', '~> 3.4.0.1', :platforms => [:mri, :rbx]
+gem 'newrelic_rpm', '~> 3.4.1', :platforms => [:mri, :rbx]
 gem 'whenever', '~> 0.7.3', :require => false
 
 gem 'jbuilder', '~> 0.4.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1ff9bd23d..8d70a5ad0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,6 +6,23 @@ GIT
     redhillonrails_core (2.0.0.pre)
       activerecord (>= 3.1.0.rc)
 
+GIT
+  remote: git://github.com/github/gollum.git
+  revision: c9bc2a89f655760c0a21da6d3ab37c5f6267e96c
+  specs:
+    gollum (2.1.0)
+      github-markdown
+      github-markup (>= 0.7.0, < 1.0.0)
+      grit (~> 2.5.0)
+      mustache (>= 0.11.2, < 1.0.0)
+      nokogiri (~> 1.4)
+      posix-spawn (~> 0.3.0)
+      pygments.rb (~> 0.2.0)
+      sanitize (~> 2.0.0)
+      sinatra (~> 1.0)
+      stringex (~> 1.4.0)
+      useragent (~> 0.4.9)
+
 GIT
   remote: git://github.com/rdblue/grack.git
   revision: 020be3fef3fb308b9d214252522aa5945bf6584a
@@ -14,9 +31,9 @@ GIT
 
 GIT
   remote: git://github.com/warpc/grit.git
-  revision: 696b0967cb7e6bac044569d898e5acef431d4f97
+  revision: f04f779fb052725b964ba259f8073a34e493c0c7
   specs:
-    grit (2.4.1)
+    grit (2.5.0)
       diff-lcs (~> 1.1)
       mime-types (~> 1.15)
       posix-spawn (~> 0.3.6)
@@ -25,38 +42,36 @@ GEM
   remote: http://rubygems.org/
   specs:
     RedCloth (4.2.9)
-    actionmailer (3.2.6)
-      actionpack (= 3.2.6)
+    actionmailer (3.2.7)
+      actionpack (= 3.2.7)
       mail (~> 2.4.4)
-    actionpack (3.2.6)
-      activemodel (= 3.2.6)
-      activesupport (= 3.2.6)
+    actionpack (3.2.7)
+      activemodel (= 3.2.7)
+      activesupport (= 3.2.7)
       builder (~> 3.0.0)
       erubis (~> 2.7.0)
-      journey (~> 1.0.1)
+      journey (~> 1.0.4)
       rack (~> 1.4.0)
       rack-cache (~> 1.2)
       rack-test (~> 0.6.1)
       sprockets (~> 2.1.3)
-    activemodel (3.2.6)
-      activesupport (= 3.2.6)
+    activemodel (3.2.7)
+      activesupport (= 3.2.7)
       builder (~> 3.0.0)
-    activerecord (3.2.6)
-      activemodel (= 3.2.6)
-      activesupport (= 3.2.6)
+    activerecord (3.2.7)
+      activemodel (= 3.2.7)
+      activesupport (= 3.2.7)
       arel (~> 3.0.2)
       tzinfo (~> 0.3.29)
-    activeresource (3.2.6)
-      activemodel (= 3.2.6)
-      activesupport (= 3.2.6)
-    activesupport (3.2.6)
+    activeresource (3.2.7)
+      activemodel (= 3.2.7)
+      activesupport (= 3.2.7)
+    activesupport (3.2.7)
       i18n (~> 0.6)
       multi_json (~> 1.0)
     airbrake (3.1.2)
       activesupport
       builder
-    albino (1.3.3)
-      posix-spawn (>= 0.3.6)
     ancestry (1.3.0)
       activerecord (>= 2.3.14)
     arel (3.0.2)
@@ -122,16 +137,8 @@ GEM
       escape_utils (~> 0.2.3)
       mime-types (~> 1.18)
       pygments.rb (>= 0.2.13)
+    github-markdown (0.5.0)
     github-markup (0.7.4)
-    gollum (1.3.1)
-      albino (~> 1.3.2)
-      github-markup (>= 0.4.0, < 1.0.0)
-      grit (~> 2.4.1)
-      mustache (>= 0.11.2, < 1.0.0)
-      nokogiri (~> 1.4)
-      redcarpet
-      sanitize (~> 2.0.0)
-      sinatra (~> 1.0)
     haml (3.1.6)
     haml-rails (0.3.4)
       actionpack (~> 3.0)
@@ -180,7 +187,7 @@ GEM
     net-ssh (2.5.2)
     net-ssh-gateway (1.1.0)
       net-ssh (>= 1.99.1)
-    newrelic_rpm (3.4.0.1)
+    newrelic_rpm (3.4.1)
     nokogiri (1.5.5)
     omniauth (1.1.0)
       hashie (~> 1.2)
@@ -216,14 +223,14 @@ GEM
       rack
     rack-test (0.6.1)
       rack (>= 1.0)
-    rails (3.2.6)
-      actionmailer (= 3.2.6)
-      actionpack (= 3.2.6)
-      activerecord (= 3.2.6)
-      activeresource (= 3.2.6)
-      activesupport (= 3.2.6)
+    rails (3.2.7)
+      actionmailer (= 3.2.7)
+      actionpack (= 3.2.7)
+      activerecord (= 3.2.7)
+      activeresource (= 3.2.7)
+      activesupport (= 3.2.7)
       bundler (~> 1.0)
-      railties (= 3.2.6)
+      railties (= 3.2.7)
     rails-backbone (0.7.2)
       coffee-script (~> 2.2.0)
       ejs (~> 1.0.0)
@@ -232,9 +239,9 @@ GEM
       railties (>= 3.0.0)
     rails3-jquery-autocomplete (1.0.7)
       rails (~> 3.0)
-    railties (3.2.6)
-      actionpack (= 3.2.6)
-      activesupport (= 3.2.6)
+    railties (3.2.7)
+      actionpack (= 3.2.7)
+      activesupport (= 3.2.7)
       rack-ssl (~> 1.3.2)
       rake (>= 0.8.7)
       rdoc (~> 3.4)
@@ -315,6 +322,7 @@ GEM
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.6)
     state_machine (1.1.2)
+    stringex (1.4.0)
     systemu (2.5.2)
     therubyracer (0.10.1)
       libv8 (~> 3.3.10)
@@ -335,6 +343,7 @@ GEM
       kgio (~> 2.6)
       rack
       raindrops (~> 0.7)
+    useragent (0.4.10)
     uuid (2.3.5)
       macaddr (~> 1.0)
     vegas (0.1.11)
@@ -369,7 +378,7 @@ DEPENDENCIES
   diff-display (~> 0.0.1)
   factory_girl_rails (~> 3.5.0)
   github-linguist (~> 2.1.2)
-  gollum (= 1.3.1)
+  gollum!
   grack!
   grit!
   haml-rails (~> 0.3.4)
@@ -379,13 +388,13 @@ DEPENDENCIES
   jquery-rails (~> 2.0.2)
   mailcatcher
   meta-tags (~> 1.2.5)
-  newrelic_rpm (~> 3.4.0.1)
+  newrelic_rpm (~> 3.4.1)
   omniauth (~> 1.1.0)
   omniauth-openid (~> 1.0.1)
   paperclip (~> 3.1.4)
   perform_later (~> 1.3.0)
   pg (~> 0.14.0)
-  rails (= 3.2.6)
+  rails (= 3.2.7)
   rails-backbone (~> 0.7.2)
   rails3-generators
   rails3-jquery-autocomplete (~> 1.0.7)
diff --git a/doc/README_FOR_APP b/doc/README_FOR_APP
index cca71ab75..cd837c6bc 100644
--- a/doc/README_FOR_APP
+++ b/doc/README_FOR_APP
@@ -25,4 +25,6 @@ sudo urpmi lib64magic-devel # mandriva
 brew install libmagic; brew link libmagic # brew
 gem install ruby-filemagic
 
+sudo urpmi python-devel
+
 git config --global core.quotepath false
diff --git a/lib/ext/core/string.rb b/lib/ext/core/string.rb
index e84bca715..9ff9bde77 100644
--- a/lib/ext/core/string.rb
+++ b/lib/ext/core/string.rb
@@ -15,9 +15,10 @@ class String
       encode!(Encoding::UTF_16, default_encoding, options).encode!(default_encoding, Encoding::UTF_16)
       raise unless valid_encoding? # check result
     end
+    self
   rescue
     replace "--broken encoding: #{detect_encoding[:encoding] || 'unknown'}"
-  ensure
-    self
+  # ensure
+  #   return self
   end
 end