add pod-build to .gitignore
add pod-build to .gitignore

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