added performance monitoring

added optimizer monitoring
fov adaption tweaked
improving build variables WIP
builder fixed to handle vars and multiline debug statements
typo fix
trying shadow combination
color tweaking & cleanup
performance tests added
performance.js updated, shadow tests added
finishing up shadows
enabling shadow setStyle() option
enabling shadows

performance tests added
build variables improved
added optimizer monitoring
reverted anti alias

it's been all px + 0.5 in order to have clear straight lines - sensible for charts, but not for buildings
try simpler shadow generation and merging approach

Merge branch 'master' into darkside

Conflicts:
	src/render.js
new build
shadows now work - on fadeend

shadows.js created
shadow color handling
shadows now work on fadestart
date / shadow fixes
shadows are now time dependent

debug line added
syntax fix

new build
shadows dawn and sunset enabled

range helper added