Added a LICENSE file, modofied CONTRIBUTING.md and now CSS and JS files are included directly into graf.php
diff --git a/graf.php b/graf.php
index f829007..9dcf6ee 100644
--- a/graf.php
+++ b/graf.php
@@ -24,13 +24,16 @@
     <link rel="manifest" href="manifest.json">

 

     <!-- own css stylesheets -->

-    <link rel="stylesheet" href="css/styles.css">

+    <link rel="stylesheet" href="css/general.css">

+    <link rel="stylesheet" href="css/graf.css">

+    <link rel="stylesheet" href="css/dialog.css">

+    <link rel="stylesheet" href="css/option-buttons.css">

+    <link rel="stylesheet" href="css/year-list.css">

+    <link rel="stylesheet" href="css/search-bar.css">

 

     <!-- imported css stylesheets -->

-    <link rel="stylesheet"

-    href="https://fonts.googleapis.com/icon?family=Material+Icons">

-    <link rel="stylesheet"

-    href="https://code.getmdl.io/1.3.0/material.blue_grey-blue.min.css" />

+    <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">

+    <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-blue.min.css" />

 

     <!-- Apple web app -->

     <link rel="apple-touch-icon" href="img/graf.png">

@@ -112,8 +115,15 @@
 

 

     <!-- Our scripts -->

-    <script src="./js/autocomplete.js"></script>

-    <script src="./js/script.js"></script>

+    <script src="js/autocomplete.js"></script>

+    <script src="js/circle-mode.js"></script>

+    <script src="js/graf.js"></script>

+    <script src="js/limit-years.js"></script>

+    <script src="js/search-bar.js"></script>

+    <script src="js/dialog.js"></script>

+    <script src="js/camera.js"></script>

+    <script src="js/just-do-it.js"></script>

+    <script src="js/init.js"></script>

 

     <!-- imported scripts -->

     <script defer src="https://code.getmdl.io/1.3.0/material.min.js"></script>