Adds social media links (#32)

* Adds social media links

* Un-ooopses the title of the homepage

pinaxcon/templates/cms_pages/home_page.html

@@ -4,8 +4,6 @@
 
 {% load wagtailcore_tags %}
 
-{% block head_title %}{% trans "Welcome" %}{% endblock %}
-
 {% block body %}
 
 {{ page.body }}

pinaxcon/templates/site_base.html

@@ -27,16 +27,17 @@
     <!--Twitter-->
     <meta name="twitter:card" content="summary">
     <meta name="twitter:site" content="@linuxconfau">
-    <meta name="twitter:creator" content="@linuxconfau">
-    <meta name="twitter:description" content="Linux Conf Hobart 16-20 January 2017">
-    <meta name="twitter:image:src" content="TODO">
+    <meta name="twitter:title" content="linux.conf.au – 16-20 January 2017 – Hobart, Tasmania"
+    <meta name="twitter:description"content="Share the Future of Open Source by submitting a talk, tutorial, or miniconf proposal: our CFP closes on 5 August.">
+    <meta name="twitter:image" content="{{ request.scheme }}://{{ request.get_host }}{% static 'lca2017/images/socmed/twitter-tuz.png' %}">
+    <meta name="twitter:image:alt" content="Tuz">
     <!--Open Graph-->
     <meta property="og:url" content="https://linux.conf.au/">
-    <meta property="og:title" content="Linux.Conf.Au">
-    <meta property="og:description" content="Linux Conf Hobart 16-20 January 2017">
+    <meta property="og:title" content="linux.conf.au – 16-20 January 2017 – Hobart, Tasmania">
+    <meta property="og:description" content="Share the Future of Open Source by submitting a talk, tutorial, or miniconf proposal: our CFP closes on 5 August.">
     <meta property="og:type" content="website">
-    <meta property="fb:admins" content="TODO">
-    <meta property="fb:profile_id" content="TODO">
+    <meta property="fb:admins" content="729577430">
+    <meta property="fb:profile_id" content="293907417664731">
         {% block extra_head_base %}
             {% block extra_head %}{% endblock %}
         {% endblock %}