Moved remote files to local static content

static/font/icon-font.css

+@font-face {
+  font-family: 'Material Icons';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Material Icons'), local('MaterialIcons-Regular'), url(https://fonts.gstatic.com/s/materialicons/v7/2fcrYFNaTjcS6g4U3t-Y5StnKWgpfO2iSkLzTz-AABg.ttf) format('truetype');
+}
+
+.material-icons {
+  font-family: 'Material Icons';
+  font-weight: normal;
+  font-style: normal;
+  font-size: 24px;
+  line-height: 1;
+  letter-spacing: normal;
+  text-transform: none;
+  display: inline-block;
+  white-space: nowrap;
+  word-wrap: normal;
+  direction: ltr;
+}

templates/layout.html

@@ -6,8 +6,8 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="mobile-web-app-capable" content="yes">
     <meta name="description" content="moderation tool for handling speaking order">
-    <link rel="stylesheet" href="https://storage.googleapis.com/code.getmdl.io/1.0.4/material.red-blue.min.css" /> 
-    <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/material.red-blue.min.css') }}" /> 
+    <link rel="stylesheet" href="{{ url_for('static', filename='font/icon-font.css') }}">
     <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}" />
     <script src="{{ url_for('static', filename='js/material.min.js') }}"></script>
     <script src="{{ url_for('static', filename='js/sorttable.js') }}"></script>