Increase minimum Sanitize version requirement to 1.1.0.

1.0.x versions of Sanitize require Hpricot instead of Nokogiri
and have bugs that may allow non-whitelisted HTML to sneak
through.

gollum.gemspec

@@ -28,7 +28,7 @@ Gem::Specification.new do |s|
   s.add_dependency('albino', "~> 1.0")
   s.add_dependency('sinatra', "~> 1.0")
   s.add_dependency('mustache', [">= 0.11.2", "< 1.0.0"])
-  s.add_dependency('sanitize', "~> 1.0")
+  s.add_dependency('sanitize', "~> 1.1")
   s.add_dependency('nokogiri', "~> 1.4")
 
   s.add_development_dependency('shoulda')