Switch 'Import Google Icon Font' source to https （so that the icons will work properly since github pages run under https）
Switch 'Import Google Icon Font' source to https
（so that the icons will work properly since github pages run under https）

Signed-off-by: Hsin-Yi Chen <f5172dc9b18337abf2b458db97c421e8329ed6e0@gmail.com>

SitiBanc/webappdemo,SitiBanc/webappdemo