changed number of updates on home page

from 5 to 3
edits to home page

resizing and new boxes
slideshow edits

slideshow edits
edits for header bar

attempt to fill full header bar
changes to header/logo

header logo changes
fixed links

fixed links
group edits for page

entered latest updates
fixed links

updates to links
additional info and edits

cleaned up
added web map apps

new web apps
updated images

new/updated images
Merge branch 'text-home-updates' of https://github.com/ngds/ckanext-ngds