Add venv/ to gitignore
whitespace fix; now infers all datazones; re-instate Datazone model
Merge branch 'master' of github.com:SebastianGoeb/ILW-Finder
population data parsing
Merge branch 'datazone-populations'
Add a map to the template to show the natural neighbourhoods

Add a map to show where people think their neighbourhood is. Each dot on the map represents a postcode and the color of the dot indicates which neighbourhood the postcode belongs to. Clicking on a dot pops up a screen with the name of the neighbourhood.
implement GeoRef -> GridRef conversion
alter postcode reading slightly
Merge branch 'nbh-multiple-names'
merge with master