Merge branch 'maint-0.2.8'

changes/bug20103

-  o Major bug fixes (crash):
+  o Major bugfixes (crash):
 
     - Fix a complicated crash bug that could affect Tor clients
       configured to use bridges when replacing a networkstatus consensus

changes/geoip-september2016

-  o Minor features:
+  o Minor features (geoip):
     - Update geoip and geoip6 to the September 6 2016 Maxmind GeoLite2
       Country database.