initial version
Merge branch 'master' into screenshot
Merge branch 'master' into screenshot

Conflicts:
	src/engines/Leaflet.js
	src/public.js
re-adding Data.js
sreenshot method moved to Layers
making it headless-safe - passing a global/window object
enabling static rendering
some WIP scripts added
handling roofHeight

cylindric shadows added
extended XAPI for cylindric shapes
alignments for points as {x,y} objects
objects sample code removed
cylinder shadow clipping fixed
generic id's now also incorporate height and minHeight
tiny cleanup
new build
OSM tags documented
handling Leaflet ViewReset event

as reported and fixed by Benny Lichtner https://github.com/kekscom/osmbuildings/pull/45
debug output for Leaflet events added
new build
Merge branch 'master' of https://github.com/kekscom/osmbuildings
rewriting Data.js

introducing unit tests
reset data method added

better crop()