scan and robot pose topic set
rendering robot pose and laser scan info
delete unused code
create rocon qt util and update slam viewer code clean
Merge pull request #151 from robotics-in-concert/make_a_map_draw_robot_laserscan

Make a map draw robot laserscan
migrate code into util directory
add save_map
make slam widget instead of slam view
fixed map save btn layout
delete usused code
Merge pull request #152 from robotics-in-concert/slam_view_reconstruction

Slam view reconstruction
removing unnecessary files
skipping processing scan and robot pose if it didn't receive map
updates
updates
save working
create concert qt map annotater
display unit in ui
delete unused code
add destroyed hook in resource chooser