roof shapes added: pyramidal, cone, dome
Merge branch 'master' into roofs

Conflicts:
	dist/buildings.js
	dist/buildings.js.gz
Merge branch 'master' into roofs

Conflicts:
	dist/buildings.js.gz
Merge branch 'master' into roofs
Merge branch 'master' into roofs

Conflicts:
	dist/buildings-debug.js
	dist/buildings.js
	src/render.js
Merge branch 'master' into roofs
Merge branch 'master' into roofs
Merge branch 'master' into roofs
WIP
preparations for coordinate loading
added simplifying polygons
Merge branch 'master' into roofs
enabling simple roofs for all
test roof shading
shortcuts cleaned up

code formatting on server/convert.js
Merge branch 'master' into roofs

Conflicts:
	dist/L.BuildingsLayer-debug.js
	dist/L.BuildingsLayer.js
	dist/OpenLayers.Layer.Buildings-debug.js
	dist/OpenLayers.Layer.Buildings.js
	src/data.js
Merge branch 'master' into coordinates

Conflicts:
	dist/L.BuildingsLayer.js
	dist/OpenLayers.Layer.Buildings.js
	src/data.js
Merge branch 'master' into roofs

Conflicts:
	dist/L.BuildingsLayer-debug.js
	dist/L.BuildingsLayer.js
	dist/OpenLayers.Layer.Buildings-debug.js
	dist/OpenLayers.Layer.Buildings.js
	src/data.js
code cleanup
WIP