performance improvement: compute ap stats runs less often during rendering, as it's relatively expensive and slows things down
performance: portal names updates less often, as computing visibility gets expensive with lots of portals visible
portal marker scaling: when zoomed out, reduce the scale of portal markers
the stock intel map has done this for a while, so lets try it in IITC
Merge branch 'master' of https://github.com/jonatkins/ingress-intel-total-conversion