Merge pull request #20 from jimlambie/layout_changes

changes to nav layout
fixed cache expiry when publishing articles
Merge branch 'master' of github.com:jimlambie/niche-providers-engine
fixed cache expiry when publishing articles
Change to search form for keyword display, fix for admin user view
Version bump 0.4.8
add new route for category-less listings
version bump 0.4.9
add new route for category-less listings
fix for spelling mistake on local static page