added leaflet kml plugin
create tracker nodejs SDK
repair node sdk
[big change] rearrange folder structure to deal with app scaling
change grunt task
add tracker service module
read data from client server instead of gps server
readme: install guide
readme: install guide
improve auth
add sidebar device and map
failed
added groups hierachy
improve auth flow
phase 1
fixed
Merge branch 'hotfix-session' into dev

fixed session auto clear
Merge branch 'refactor-phase1' into dev

clean angular code
fixed unauthorize
device directive