switched out ks link with eb link

_includes/sidebar.html

@@ -1,5 +1,5 @@
 <div>
-	<a class="tickets" href="https://www.kickstarter.com/projects/radicalnetworks/radical-networks" target="_blank">Presale Tickets Available<br/>Through Kickstarter!</a>	
+	<a class="tickets" href="https://www.eventbrite.com/e/radical-networks-tickets-38618435781" target="_blank">Tickets Available!</a>	
 </div>
 <div>
 	Download our <a href="{{ ASSET_PATH }}/pdf/radical_networks_2017_press_kit.pdf">2017 Press Kit</a>