show errors again; added aerial view
fix speed limit bug
reduce speed limit to reflect average speed
minor fix if downloading
minor fix to test
better history support
put first url also into history but disable first pop; updated history.js for better encoding support
do not zoom when dragging
zoom should be on by default
minor fix to image path
remove alert
restrict maxspeed
all current encoders should not accept railway
more correct railway handling
merged master