rename overview.html to host_overview.html
split off add host / add domain view from hosts overview / domains overview
unify hosts and domains overview views into one
add tests for add domain / add host views
move rDNS display from add host view to home view
add host view: use 50/50 split for form and help
remove useless "back to overview" links in content area - we have a link to overview in navbar
use host.get_fqdn() function to assemble the fqdn, no bold formatting
use smaller add host / add domain buttons
update CHANGES