set minZoom manually when setting maxBounds

See https://github.com/Leaflet/Leaflet/commit/be42f7a3b6cb2be148f8b74f4fe8d3697fdb730e#commitcomment-5359291
Do no show zoomIn/Out in contextmenu if already max/min zoomed
Add fieldset toggle CSS
Pull ja from tx
Add TMS option to custom tilelayer
Missing tms option in TileLayer.toJson
Do not call handleMaxBounds before initCenter

Otherwise: default center is used, then maxBounds called, then hash is set
and then the initCenter use hash instead of options.center
Add datalayer toolbox in caption too
Toggle credits in caption panel
Pulling from transifex
Pulling from Transifex
Make sure only visible elements are downloaded

And add a message to make this clear for user
Fix test selectors
Use default map color for layer color caption when layer's color is null
Do not add closing point on original latlng when exporting Polygon to geojson
Make zoomIn/Out title translatable
Make "Measure distances" translatable
Make EditInOSM control title localizable
Add test for poly.geometry
Remove bad spaces