Link to new vdb in references output

spec/lib/common/models/vulnerability_spec.rb

@@ -37,6 +37,7 @@ describe Vulnerability do
     }
 
     expected_refs = {
+      :id         => ['3911'],
       :url        => ['Ref 1', 'Ref 2'],
       :cve        => ['2011-001'],
       :secunia    => ['secunia'],

spec/lib/common/models/wp_item_spec.rb

@@ -14,6 +14,7 @@ describe WpItem do
     let(:vulns_file)     { MODELS_FIXTURES + '/wp_item/vulnerable/items_vulns.json' }
     let(:identifier)    { 'neo' }
     let(:expected_refs)  { {
+        :id  => ['2993'],
         :url => ['Ref 1', 'Ref 2'],
         :cve => ['2011-001'],
         :secunia => ['secunia'],

spec/lib/common/models/wp_plugin_spec.rb

@@ -8,6 +8,7 @@ describe WpPlugin do
     let(:options)        { { name: 'white-rabbit' } }
     let(:vulns_file)     { MODELS_FIXTURES + '/wp_plugin/vulnerable/plugins_vulns.json' }
     let(:expected_refs)  { {
+        :id  => ['2993'],
         :url => ['Ref 1', 'Ref 2'],
         :cve => ['2011-001'],
         :secunia => ['secunia'],

spec/lib/common/models/wp_theme_spec.rb

@@ -9,6 +9,7 @@ describe WpTheme do
     let(:options)        { { name: 'the-oracle' } }
     let(:vulns_file)     { MODELS_FIXTURES + '/wp_theme/vulnerable/themes_vulns.json' }
     let(:expected_refs)  { {
+        :id => ['2993'],
         :url => ['Ref 1', 'Ref 2'],
         :cve => ['2011-001'],
         :secunia => ['secunia'],

spec/lib/common/models/wp_version_spec.rb

@@ -8,6 +8,7 @@ describe WpVersion do
     let(:options)        { { number: '3.2' } }
     let(:vulns_file)     { MODELS_FIXTURES + '/wp_version/vulnerable/versions_vulns.json' }
     let(:expected_refs)  { {
+        :id => ['2993'],
         :url => ['Ref 1', 'Ref 2'],
         :cve => ['2011-001'],
         :secunia => ['secunia'],