CloudMade/Leaflet — pull request #757 by stsydow (2012-06-25 22:27:59+00:00)
Title: fixes NaN bug in scale control and spurios mousemove event

This contains two commits with fixes for:
- A NaN bug in scale control (see d61cc8c)
- With Chrome v19 on Windows 7 occur empty/spurious mousemove-events after an onclick-event
which lead to wired behavior of custom marker popups.

This is just the rebased version of 2e3ee67a2a11548e8c757833ef6cd67615ba5d1a