udev rule priority in ROS Indigo

[Kevin Hallenbeck]

We need to override the default USB rule of priority 50.

Ubuntu 16.04 and ROS Kinetic

• Priority 60
• http://manpages.ubuntu.com/manpages/xenial/man1/dh_installudev.1.html

Ubuntu 14.04 and ROS Indigo

• Priority 40
• http://manpages.ubuntu.com/manpages/trusty/man1/dh_installudev.1.html

Override the default priority for ROS Indigo by adding the --priority=60 flag to the generated debian/rules file if it exists

Also apply this fix to the dataspeed_boot_usb repository and the pointgrey_camera_driver PR

Existing implementation is here

[Kevin Hallenbeck]

Fixed with d7497f6