templates/upload/result: use vertical bootstrap-tabs for flight list
templates/upload/result: show barogram of uploaded flights
Fork flot-selection plugin
baro.js: pass additional options to flot
Rename jquery.flot.selection.js to jquery.flot.flight-upload.js
jquery.flot.flight-upload.js: adjust coding style
jquery.flot.flight-upload.js: remove unnecessary y-range stuff
flight-upload.js: default selection color is dark gray
flight-upload.js: invert selection
flight-upload.js: every selection is sane.
upload.js: enable flight-times plugin, remove crosshair
baro.js: add method to show initial flight times selection
flight-upload.js: change selection only when dragging the takeoff/landing markers
flight-upload.js: smaller selection tolerance
flight-upload.js: remove debugging code
flight-upload.js: change cursor style if cursor is over a marker
flight-upload: don't stroke around gray area, show single lines only
flight-upload: always use first x-axis
flight-upload.js: rename first and second position to takeoff and landing

Prepare keeping them sorted and adding a release time marker.
flight-upload.js: keep times sorted