add rank attr to inventory model

+ clean trailing whitespaces in server/index.js & server/config-example.js

app/models/inventory.js

@@ -26,6 +26,7 @@ export default AbstractModel.extend(LocationName, {
   price: DS.attr('number'),
   reorderPoint: DS.attr('number'),
   distributionUnit: DS.attr('string'),
+  rank: DS.attr('string'),
 
   availableLocations: function() {
     var locations = this.get('locations').filter(function(location) {

server/config-example.js

@@ -1,4 +1,4 @@
-var config = {    
+var config = {
     couch_db_server: 'localhost',
     couch_db_port: '5984',
     couch_db_use_ssl: false,
@@ -9,17 +9,17 @@ var config = {
     google_client_secret: 'FOR GOOGLE SSO; GOOGLE CLIENT SECRET GOES HERE',
     server_port: '3000',
     server: 'localhost',
-    use_ssl: false        
+    use_ssl: false
 };
 
 config.couch_credentials = function() {
     if (config.couch_admin_user && config.couch_admin_password) {
         return config.couch_admin_user + ":" + config.couch_admin_password + "@";
-    } else { 
-        return ''; 
+    } else {
+        return '';
     }
 };
-    
+
 config.get_protocol = function(is_ssl) {
     return "http" + (is_ssl ? 's' : '') + '://';
 };
@@ -32,4 +32,4 @@ if (config.server_port) {
 config.couch_db_url =  config.get_protocol(config.couch_db_use_ssl) + config.couch_db_server +":"+config.couch_db_port;
 config.couch_auth_db_url =  config.get_protocol(config.couch_db_use_ssl) + config.couch_credentials() + config.couch_db_server + ":"+config.couch_db_port;
 //config.search_url = 'http://localhost:9200'; ELASTIC SEARCH URL (OPTIONAL)
-module.exports = config;
+module.exports = config;

server/index.js

@@ -12,5 +12,5 @@ var globSync   = require('glob').sync;
 var routes     = globSync('./routes/**/*.js', { cwd: __dirname }).map(require);
 
 module.exports = function(app) {
-  routes.forEach(function(route) { route(app); });  
+  routes.forEach(function(route) { route(app); });
 };