Fix: some links were not used for WoT tests, hence kicking wrongly

app/models/link.js

@@ -208,7 +208,7 @@ LinkSchema.statics.isOver3StepsOfAMember = function (key, members, done) {
         Link.find({ target: fpr, obsolete: false }, function (err, links) {
           dist1Links = [];
           links.forEach(function(lnk){
-            dist1Links.push(lnk.fingerprint);
+            dist1Links.push(lnk.source);
           });
           next(err);
         });
@@ -255,7 +255,7 @@ LinkSchema.statics.isOver3StepsOfAMember = function (key, members, done) {
               Link.find({ source: member, obsolete: false }, function (err, links) {
                 dist2Links = [];
                 links.forEach(function(lnk){
-                  dist2Links.push(lnk.fingerprint);
+                  dist2Links.push(lnk.target);
                 });
                 next(err);
               });

app/service/KeychainService.js

@@ -631,7 +631,7 @@ function KeyService (conn, conf, PublicKeyService) {
       },
       function (members, next){
         // If a member is over 3 steps from the whole WoT, has to be kicked
-        async.forEach(members, function(key, callback){
+        async.forEachSeries(members, function(key, callback){
           var fpr = key.fingerprint;
           async.waterfall([
             function (next){