Masternode improvements

-Added support for a couple masternode list and count formats that do not have a separate fieldname for each value
-Masternode grid columns are now shown or hidden based on whether there is any data

lib/explorer.js

@@ -133,6 +133,56 @@ function encodeP2PKaddress(p2pk_descriptor, cb) {
   });
 }
 
+function normalizeMasternodeCount(raw_count) {
+  // check if any data was returned
+  if (raw_count != null) {
+    // check if the data is in the expected object format
+    if (raw_count.total != null && raw_count.enabled != null) {
+      // data is already in the correct format
+      return raw_count;
+    } else {
+      const regex = /^\d+ \/ \d+$/;
+
+      // check if the data is in the format of "{enabled_count} / {total_count}"
+      if (regex.test(raw_count)) {
+        const splitCount = raw_count.split('/');
+
+        // enabled / total format detected
+        // return the data formatted as an object
+        return {
+          enabled: splitCount[0].trim(),
+          total: splitCount[1].trim()
+        };
+      // check if the data is in the format of "Total: {total_count} Enabled: {enabled_count}"
+      } else if (raw_count.indexOf('Total: ') > -1 && raw_count.indexOf('Enabled: ')) {
+        // Total: {total_count} Enabled: {enabled_count}" format detected
+        const totalRegex = /Total: (\d+)/;
+        const enabledRegex = /Enabled: (\d+)/;
+        const totalMatch = raw_count.match(totalRegex);
+        const enabledMatch = raw_count.match(enabledRegex);
+
+        // check if both the total and enabled values were found
+        if (totalMatch && enabledMatch) {
+          // return the data formatted as an object
+          return {
+            total: totalMatch[1],
+            enabled: enabledMatch[1]
+          };
+        } else {
+          // the data is in an unrecognized format
+          return raw_count;
+        }
+      } else {
+        // the data is in an unrecognized format
+        return raw_count;
+      }
+    }
+  } else {
+    // no data returned, so nothing to fix
+    return raw_count;
+  }
+}
+
 module.exports = {
   convert_to_satoshi: function(amount, cb) {
     // fix to 8dp & convert to string
@@ -358,7 +408,7 @@ module.exports = {
             if (response == 'There was an error. Check your console.')
               return cb(null);
             else
-              return cb(response);
+              return cb(normalizeMasternodeCount(response));
           });
         } else {
           var uri = base_url + 'getmasternodecount';
@@ -368,7 +418,7 @@ module.exports = {
             if (body == 'There was an error. Check your console.')
               return cb(null);
             else
-              return cb(body);
+              return cb(normalizeMasternodeCount(body));
           });
         }
       } else {