Add note about not found errors in Webmaster Tools
Add note about not found errors in Webmaster Tools

Closes #198.
ajb/sync,zuyderleven/render_sync,chrismccord/sync,aruprakshit/sync,ajb/sync,chrismccord/render_sync,ifduyue/sync,zuyderleven/render_sync,ifduyue/sync,ifduyue/sync,ajb/sync,aruprakshit/sync,chrismccord/render_sync,zuyderleven/render_sync,chrismccord/render_sync,chrismccord/sync,aruprakshit/sync,chrismccord/sync