Add explanation of account resetting

ui/app/config.js

@@ -150,6 +150,22 @@ ConfigScreen.prototype.render = function () {
               marginTop: '20px',
             },
           }, [
+
+            h('p', {
+              style: {
+                fontFamily: 'Montserrat Light',
+                fontSize: '13px',
+              },
+            }, [
+              'Resetting is for developer use only. ',
+              h('a', {
+                href: 'http://metamask.helpscoutdocs.com/article/36-resetting-an-account',
+                target: '_blank',
+                onClick (event) { this.navigateTo(event.target.href) },
+              }, 'Read more.'),
+            ]),
+            h('br'),
+
             h('button', {
               style: {
                 alignSelf: 'center',
@@ -237,3 +253,7 @@ function currentProviderDisplay (metamaskState) {
     h('span', value),
   ])
 }
+
+ConfigScreen.prototype.navigateTo = function (url) {
+  global.platform.openWindow({ url })
+}