remove unwanted items from navigation

basically everything bar report and help
add template for updates with only required elements

remove login, name made public, photo upload, alert sign up
add in report display template

removing so much that we might as well copy the template, especially
as we need to change the header include.
Removed from default:
    most of shadow wrap
    RSS
    list of updates which are not public
plus Report -> Clinic
Remove subscribe to updates link from around page
split out RSS link tag to its own template

makes removing RSS from cobrands much easier
blank header_rss template for ZeroTB

we don't want any RSS feeds for the site so disable
extract opengraph meta tags out to a template

for ease of alteration/removal in cobrands
blank opengraph header template for ZeroTB
Add some overrides to zurich tests to stop failure

Make sure mapit_id_whitelist set for tests that submit
Add bad category to zurich mobile phone number test

this makes sure that this submit fails and hence the count in the test
stats test is correct.
change text of location search instructions
split out header logo to its own template

to make it easier to change how cobrands do headers
import base styles with colour changes

Change colour scheme to black and white
set default fonts and weight
change site logo and add css for this
top nav bar should always be black
update nav bar text

Problem -> Stockout
change mysoc nav to be language changer
Style front page location lookup

button -> orange
set background colour for input boxes
make everything a bit wider and left aligned
update the what is this for text
update content and style for front page instructions

remove photos etc
update step text
change background colour and remove crop shadow