Add If-Modified-Since header to check availability of webcams.
Merge branch 'master' of beroads.com:/var/git/beroads/dashboard

Conflicts:
	webcams_loader.py
Switch to pyproj to translate Lambert projection. Precision to the meter !
Add pyproj requirement.
Fix typo.
Fix typo.
Fix typo.
Fix typo.
Add webcams thumbs generation. Issue #1
Fix typo
Testing hooks
Testing hooks
Testing hooks
Testing hooks
Hotfix for blocked access to trafiroutes
Modify url to reflect the right situation with trafiroutes.
Some minor fix
Add example config