Integration of wheelchair control code, emergency button code and watchdog code

Dependencies:   wheelchaircontrol3 Watchdog ros_lib_kinetic

Revision:
11:e5823b1f5268
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ros_lib_kinetic.lib	Wed Jun 26 18:24:00 2019 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/garyservin/code/ros_lib_kinetic/#a849bf78d77f