Add comments fixtures for development

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

db/fixtures/development/13_comments.rb

+ActiveRecord::Base.observers.disable :all
+
+Issue.all.limit(10).each_with_index do |issue, i|
+  5.times do
+    Note.seed(:id, [{
+      project_id: issue.project.id,
+      author_id: issue.project.team.users.sample.id,
+      note: Faker::Lorem.sentence,
+      noteable_id: issue.id,
+      noteable_type: 'Issue'
+    }])
+  end
+end