solve connection problem for surface mouse on ubuntu 16.04

Edit the file /etc/bluetooth/main.conf

line 89, uncomment

AutoEnable=false -> AutoEnable=true

and, edit the file /lib/udev/rules.d/50-bluetooth-hci-auto-poweron.rules

uncomment all

# Set bluetooth power up
ACTION=="add", SUBSYSTEM=="bluetooth", KERNEL=="hci[0-9]*", RUN+="/bin/hciconfig %k up"

done.