Reconcile scss/js files and remove the need for grunt

This change pares down the unused styles/scripts from the www site, and removes the need for grunt to concatenate/minify styles--we now use Jekyll's built-in capability.

Author: justinvp

.gitignore

@@ -10,3 +10,4 @@ vendor
 .bundle
 node_modules
 *.map
+/.sass-cache/

_includes/head.html

@@ -24,10 +24,7 @@
     {% if include.notfound %}
         <link rel="stylesheet" href="/css/404.css" media="all" />
     {% else %}
-        <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons" />
-        <link rel="stylesheet" href="/css/styles.css" media="all">
-        <link rel="stylesheet" href="/css/style.css" media="all" />
-        <link rel="stylesheet" href="/css/pygments.css" media="all" />
+        <link rel="stylesheet" href="/css/styles.css" media="all" />
         <script async defer src="https://buttons.github.io/buttons.js"></script>
     {% endif %}
     <script> !function(){var analytics=window.analytics=window.analytics||[];if(!analytics.initialize)if(analytics.invoked)window.console&&console.error&&console.error("Segment snippet included twice.");else{analytics.invoked=!0;analytics.methods=["trackSubmit","trackClick","trackLink","trackForm","pageview","identify","reset","group","track","ready","alias","debug","page","once","off","on"];analytics.factory=function(t){return function(){var e=Array.prototype.slice.call(arguments);e.unshift(t);analytics.push(e);return analytics}};for(var t=0;t<analytics.methods.length;t++){var e=analytics.methods[t];analytics[e]=analytics.factory(e)}analytics.load=function(t,e){var n=document.createElement("script");n.type="text/javascript";n.async=!0;n.src=("https:"===document.location.protocol?"https://":"http://")+"cdn.segment.com/analytics.js/v1/"+t+"/analytics.min.js";var o=document.getElementsByTagName("script")[0];o.parentNode.insertBefore(n,o);analytics._loadOptions=e};analytics.SNIPPET_VERSION="4.1.0"; analytics.load("mNROzbfcr6gi80tV37QuBcL0tK1DWvte"); analytics.page(); }}();</script>

_includes/scripts.html

@@ -0,0 +1,8 @@
+<script src="https://code.jquery.com/jquery-3.3.1.min.js"
+    integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
+    crossorigin="anonymous"></script>
+<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"
+    integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa"
+    crossorigin="anonymous"></script>
+<script src="/js/main.js"></script>
+<script src="/js/langchoose.js"></script>

_js/anchor.js

@@ -36,10 +36,6 @@ <h1>{{ page.title }}</h1>
         {% include footer.html %}
 
         {% include intercom.html %}
-        <script src="https://code.jquery.com/jquery-3.3.1.min.js"
-            integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
-            crossorigin="anonymous"></script>
-        <script src="/js/langchoose.js"></script>
-        <script src="/js/scripts-all.js"></script>
+        {% include scripts.html %}
     </body>
 </html>

_js/code-anim.js

@@ -32,10 +32,6 @@
         {% include footer.html %}
 
         {% include intercom.html %}
-        <script src="https://code.jquery.com/jquery-3.3.1.min.js"
-            integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
-            crossorigin="anonymous"></script>
-        <script src="/js/langchoose.js"></script>
-        <script src="/js/scripts-all.js"></script>
+        {% include scripts.html %}
     </body>
 </html>