- add area description tutorials
- display status code
Merge branch 'master' into feature/v2.0_area_description_example

Conflicts:
	.gitignore
Merge branch 'master' into feature/v2.0_area_description_example
- add adf function
- changes to adfs
Merge branch 'master' into feature/v2.0_area_description_example
- rename of the folder.
- load ADF
test app adf, experimental.
ui name change
- add relocalization.
- add two status
Merge branch 'master' into feature/v2.0_area_description_example
- add relocalize event
- fix uuid display not complete issue.
Merge pull request #13 from googlesamples/feature/v2.0_point_cloud_example

Feature/v2.0 point cloud example
- add pre to device pose.
- add license.
- code clean up.
Merge pull request #14 from googlesamples/feature/v2.0_area_description_example

Feature/v2.0 area description example
- clean up project folders.
Provide standardized util function for rotation conversion.