expose link to session to user

[rctay]

This fixes fossasia/2016.fossasia.org#93.

Preview link: https://rctay.github.io/2016.fossasia.org/schedule/

I used this additional css:

diff --git a/css/schedule.css b/css/schedule.css
index 59d3db8..8b6ac59 100644
--- a/css/schedule.css
+++ b/css/schedule.css
@@ -45,6 +45,11 @@ body {
   font-weight: 500;
 }
+.session-list .session-link {
+  padding-top: 60px;
+  margin-top: -60px;
+}
+
 .session-list .session-title {
   margin-top: 0.1em;
   text-decoration: underline;
@@ -74,6 +79,11 @@ body {
     padding: .2em .6em .3em;
   }
+  .session-link {
+    float: left;
+    width: 1em;
+  }
+
   .session-title {
     float:left;
     width: 75%;

May someone else work on the styling/appearance of the '#' anchor. I thought of "appear when user hovers over title".