#732 Node Search via API for known node returns invalid or empty JSON

A few things going on here ... swagger submitting "false" query
params which intefered with truth testing by existence, and also the
Node search not using {results => {}} format response for template,
and also that response then containing DBIC objects which cannot be
translated to JSON without running HRI first.

lib/App/Netdisco/Web/Plugin/Search/Node.pm

@@ -7,6 +7,7 @@ use Dancer::Plugin::Auth::Extensible;
 use NetAddr::IP::Lite ':lower';
 use Regexp::Common 'net';
 use NetAddr::MAC ();
+use POSIX qw/strftime/;
 
 use App::Netdisco::Web::Plugin;
 use App::Netdisco::Util::Web 'sql_match';
@@ -42,6 +43,7 @@ register_search_tab({
       },
       daterange => {
         description => 'Date Range in format "YYYY-MM-DD to YYYY-MM-DD"',
+        default => ('1970-01-01 to '. strftime('%Y-%m-%d', gmtime)),
       },
       age_invert => {
         description => 'Results should NOT be within daterange',