[jsk_tools/bag_plotter] Add -o to save figure automatically

[garaemon]

Makefile to convert bag file to plot image (for jaxon) .

bag_files = $(shell find . -name '*.bag')
image_files = $(subst .bag,.pdf,${bag_files})
plotter_py = $(shell rospack find jsk_tools)/src/jsk_tools/bag_plotter.py
config_file = $(shell rospack find jaxon_ros_bridge)/config/plotter_configs/plotter.yaml
all: ${image_files}

.SUFFIX: .bag .pdf

%.pdf: %.bag ${plotter_py} ${config_file}
        rosrun jsk_tools bag_plotter.py ${config_file} $< -o $@