安心加族

[3.8.1]
1. Fix bugs.

[3.8.0]
1. Support Facebook login
2. Air Purifier: Scheduling power on/off, Panel LED light control, membership point
3. APP enhancement

[3.7.0]
1. Show date information on PM2.5 share page.
2. Show warranty information for air purifier.
3. Show remaining days for air purifier filter.
4. Show pm2.5, temperature and humidity, and voc value on air purifier
statistics report while the machine is shutdown.
5. Fix bugs.