drawline/drawLine should not take a boolean to select non lines caps or capping at both ends.  drawline/drawLine also needs to be able to put a line cap on one one end of a line

Add a 'capped' boolean parameter to all drawline/drawLine functions/methods.  The idea is that this will produce better joining between lines

SAMV71-XULT: Add support for on-board LEDs.  Includes partial support for on-board buttons.  Some corrections fo to egg-stk37000 and sam4e-ek discovered during leveraging.  Add board READEM.txt file

boards.

Rename pic32-starterkit to pic32mx-starterkit to make room in the namespace for the pic32mz-starterkit

apps/nshlib:  Add the ping6 command to support checking IPv6 networks.  NSH logic is complete but still missing some network level support

Correct spelling:  MOUNTPOINT not MOUNTPOUNT.  Numerous places.  Some are problems.  From Woohan Lee