make onAdd reentrant (retain original options.width/height)
Merge remote-tracking branch 'upstream/master'
keep data on remove, apply it again on add
allow call to clear() before control having been added to map
Merge branch 'master' of https://github.com/MrMufflon/Leaflet.Elevation
prepare for merge: expand tabs, width=4
Merge remote-tracking branch 'upstream/master'
fix merge issue: dragRectangle height
fit selected section of route, not only endpoints
trim space from empty line
Merge pull request #15 from adoroszlai/master

zoom via elevation & ability to add/remove control multiple times merged