Summary:
to move_to_top and move_to_bottom since the previous names seemed to indicate
that the object only moved one step instead of all the way through the top
or the bottom of the stack.
Ref T7560
Test Plan: make && make check && make examples work as before
Reviewers: cedric, zmike
Reviewed By: zmike
Subscribers: kimcinoo, #reviewers, #committers
Tags: #efl
Maniphest Tasks: T7560
Differential Revision: https://phab.enlightenment.org/D7934
c2adefd7f2