[Actionlib] Fix implementation to the latest implementation on rospy#3

Open

wijanarko-sukma wants to merge 2 commits intoXamla:masterfrom

wiwing:fix/actionlib

Commits on Jun 21, 2018

[Actionlib] Update ActionServer implementation with correct SpinCallback by using Threading Timer class and status frequency as hertz, and add lock on GoalHandles to avoid racing condition
wijanarko-sukma
committed
[Actionlib] Change UpdateStatus method to the correct implementation of ActionClient
wijanarko-sukma
committed