add safety to manip plan execute button. fixes #1137
add safety to manip plan execute button. fixes #1137

if the current plan has info >= 10 then the execute button will not
execute the plan.  You must right-click the button and select the
override option.

mithrandir123/director,openhumanoids/director,edowson/director,patmarion/director,RussTedrake/director,mithrandir123/director,mitdrc/director,mithrandir123/director,openhumanoids/director,patmarion/director,manuelli/director,gizatt/director,gizatt/director,mithrandir123/director,RussTedrake/director,openhumanoids/director,openhumanoids/director,mitdrc/director,patmarion/director,rdeits/director,edowson/director,manuelli/director,empireryan/director,RobotLocomotion/director,empireryan/director,rdeits/director,RobotLocomotion/director,edowson/director,patmarion/director,RobotLocomotion/director,patmarion/director,manuelli/director,gizatt/director,empireryan/director,edowson/director,edowson/director,gizatt/director,manuelli/director,RobotLocomotion/director,RussTedrake/director,manuelli/director,RussTedrake/director,mithrandir123/director,mitdrc/director,rdeits/director,rdeits/director,empireryan/director,empireryan/director,RussTedrake/director,gizatt/director,mitdrc/director,mitdrc/director,RobotLocomotion/director,rdeits/director,openhumanoids/director