obs-api: embed sanitize-4.0.0 to fix runtime issue

When adding comments and other cases, obs-api calls unexistent function in sanitize 2.1.0, causing error 500 in webui.

Signed-off-by: Héctor Orón Martínez hector.oron@collabora.co.uk

debian/localgem/sanitize-4.0.0/lib/sanitize/config/basic.rb

+# encoding: utf-8
+
+class Sanitize
+  module Config
+    BASIC = freeze_config(
+      :elements => RESTRICTED[:elements] + %w[
+        a abbr blockquote br cite code dd dfn dl dt kbd li mark ol p pre q s
+        samp small strike sub sup time ul var
+      ],
+
+      :attributes => {
+        'a'          => %w[href],
+        'abbr'       => %w[title],
+        'blockquote' => %w[cite],
+        'dfn'        => %w[title],
+        'q'          => %w[cite],
+        'time'       => %w[datetime pubdate]
+      },
+
+      :add_attributes => {
+        'a' => {'rel' => 'nofollow'}
+      },
+
+      :protocols => {
+        'a'          => {'href' => ['ftp', 'http', 'https', 'mailto', :relative]},
+        'blockquote' => {'cite' => ['http', 'https', :relative]},
+        'q'          => {'cite' => ['http', 'https', :relative]}
+      }
+    )
+  end
+end