Adds a migration to fix buggy notes an drafts introduced by an earlie…

…r version of Publify.

Issue publify#246.

db/migrate/114_fixes_buggy_articles_and_notes.rb

@@ -0,0 +1,22 @@
+class FixesBuggyArticlesAndNotes < ActiveRecord::Migration  
+  def self.up
+    say "Fixing contents permalinks, this may take some time"
+
+    contents = Content.where("permalink is ? or permalink = ?", nil, '')
+    contents.each do |c|
+      c.set_permalink
+      c.save
+    end
+
+    say "Fixes empty notes GUID"
+    notes = Note.where("guid is ? or guid = ?", nil, '')
+    notes.each do |n|
+      n.create_guid
+      n.save
+    end
+  end
+
+  def self.down
+    say "Nothing to do here"
+  end
+end