Improved debugging of assets
Remove old CSS files
Remove old layout file
Renaming v1 layout to default 'application'
Remove unused rails.js file

(We weren't using any of these functions, and it seemed to be throwing
JS errors)
moving leaflet out of the vendor directory for now
Removing vendorised assets
Updated leaflet css
Adding css for basic icon
No need to use ajax if just displaying one marker
move out of vendor directory
Use div-based icon for multi-plaque maps
Slightly simplified map js

Avoiding doing multiple ajax calls on each mapmove
zoom out a bit.