Added GA id (#35)

This should be all we need to track google analytics.

Author: jenniferlynparsons

_config.yml

@@ -58,7 +58,7 @@ author:
   google_plus:
 
 # Analytics and webmaster tools stuff goes here
-  google_analytics:
+  google_analytics: UA-86359151-1
   google_verify:
 
 # Links to include in top navigation