Merge pull request #1 from iotcloud/master

pull slam
fix some error
add some comment
add comment
add position test module
update file
delete unused files
add simulator
Merge branch 'master' of https://github.com/applyhhj/iotrobots
add publisher
Merge branch 'master' of https://github.com/applyhhj/iotrobots

Conflicts:
	collavoid/pom.xml

add pub sub
delete unused module
add transform broadcaster
add simulator
add new model
fixed errors
detach simulator and planners
Merge remote-tracking branch 'upstream/master'
Merge pull request #6 from applyhhj/master

collision avoidance update