flake8: Fixed flake8 issues
flake8: Pin pyflakes and pep8 dependencies
Merge pull request #294 from Turbo87/flake8

Fixed flake8 issues
Merge pull request #292 from TobiasLohner/commands

commands.flights.update_flight_pahts: fix --force parameter
airspace: update NL airspace
assets: update flot to 0.8.2

See https://github.com/flot/flot/releases/tag/v0.8.2 for release notes
flight.js: redraw baro only on time interval changes
Merge branch 'flot_0.8.2'
lib.xcsoar_.analysis: copy values instead of adding by reference

Avoid scoring_end to be overwritten if landing changes.
lib.xcsoar_.flightpath: add elevation to last fix
lib.xcsoar_.flightpath: don't set threshold to zero

Fixes a bug where the returned flightpath sometimes was cut off
from the front.
collection.js: add 'remove' method
fix-table.js: add 'removeRow' method
flight.js: add sfid attributes to ol features
OpenLayers: fix removal of ProgressiveLineStrings

See https://github.com/TobiasLohner/openlayers/commit/5b08c4814b5821d69ce8beefa97df222d4f40dac
flight.js: add 'removeFlight' method
fix-table.js: add flight removal icon
flight.js: force baro scale update on addFlight and removeFlight

This seems to got broken with bacf581e91543a552e5db36524f8c46119705dc1
Revert "flight.js: force baro scale update on addFlight and removeFlight"

This reverts commit 221734abb25007979805c693bbbb1603cae38829, because
it didn't fix the issue...
baro.js: update time scale if min or max has changed

This is the real fix...