Merge pull request #37 from ShaunR/master

remove nictool version information from the public eye.
restore version in templates/body_frame_start.html

it should be displayed somewhere!
Merge pull request #38 from ShaunR/master

leave nictoolserver.conf alone during simple upgrades
nt_import: add a bit more debugging
MaraDNS: when exporting, ignore NAPTR records
Zone::Sanity, added missing 'type' (Issue #39)
version bump to 2.25