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
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