Added script to generate stats on a git checkout

infra/tools/antibody/static/stats.css

 @import url(https://fonts.googleapis.com/css?family=Quattrocento+Sans);
 
 body {
   height: 100%;
   font-family: 'Quattrocento Sans', sans-serif;
 }
 
 .nav {
   padding: 15px 0px 0px 0px;
   background: #333;
 }
 
 .nav li {
   display: inline;
 }
 
 .nav a {
   color: #A3A3A3;
   font-size: 18px;
   padding: 14px 10px;
   text-transform: uppercase;
 }
 
 .gen_time {
   color: #A3A3A3;
 }
 
-.input-group {
+.stats_by_time {
   margin-top: 70px;
-  width: 70%;
+}
+
+.data_name {
+  width: 97%;
+}
+
+.col-md-4{
+  padding:5px;
+}
+
+.stats_7_day {
+  border: 1px solid #ccc;
+  padding: 0px 10px 10px 10px;
+}
+
+.stats_30_day {
+  border: 1px solid #ccc;
+  padding: 0px 10px 10px 10px;
+}
+
+.stats_all_time {
+  border: 1px solid #ccc;
+  padding: 0px 10px 10px 10px;
+}
+
+.charts {
+  margin-top: 30px;
   margin-left: auto;
   margin-right: auto;
 }
 
-.commits_to_be_reviewed {
-  margin-top: 50px;
+#commits_chart {
+  height: 400px;
 }
 
-.data_item {
-  text-align: center;
-}
-
-th {
-  text-align: center;
+#ratio_chart {
+  height: 400px;
 }