image_View2:add message_generation, message_runtime to package.xml
laser_filters_jsk_patch: add git to build_depend
posedetection_msgs: add message_generation to package.xml
opt_camera: include unistd.h on the top
multi_map_server: disable map_server for default
Merge pull request #336 from k-okada/fix_build

Fix package.xmls for buildfirm