Add CSS file
Show date and time
Remove seconds
Merge pull request #18 from enthought/enh/control-window

Show date and time
Parametrize arrow head sweep angle
Merge pull request #20 from enthought/enh/arrow-angle

Parametrize arrow head sweep angle
Merge branch 'master' into enh/barb-location

Conflicts:
	frontend/js/vector.js