david/falcon-dashboard: falcon-plus frontend

kopia lustrzana https://github.com/open-falcon/dashboard.git

laiwei c0822383d6 i18n support		7 lat temu
..
base.html	cb8d390ca2 support delete endpoints/counters/rrdfile and refine code	7 lat temu
login.html	0560a8f338 user page done	8 lat temu
register.html	c0822383d6 i18n support	7 lat temu