make 'view as html' page header Right To Know blue so that the logo can be read against the background. Currently the background is grey and there is not enough contrast with the white of the logo text.
make 'view as html' page header Right To Know blue
so that the logo can be read against the background.
Currently the background is grey and there is not enough
contrast with the white of the logo text.

This also makes this view more consistent with the rest
of the site.

relates to #407 and #354

openaustralia/righttoknow,openaustralia/righttoknow,openaustralia/righttoknow