Added a marker element to replace with feedback requests

Prior to that when a draft had no feedback, the newly added requests
were not shown because an element with a needed id was missing in the
document.
Fixed the styles for cases when the admin bar is visible

Previously there was some ambiguity in the styles depending
on wheter browser styles were reset or not, this change
addresses that by explicitly stating the margin size for
the h3 header. Plus, the visible admin bar adds a class to
the feedback form container to increase the container padding.
Re-generated RTL styles for the feedback form using autortl.
Merge pull request #11 from zinigor/master

Fixed a margin error and a newly added requests bug.