Merge pull request #118 from it-workshop/wp/CAROLINE-31/1

CAROLINE-31: Add interface for device manager.
(cherry picked from commit 2141afae97a3bcf9e9a7663efa016d488e69033e)
Merge pull request #119 from it-workshop/wp-1.0.0/CAROLINE-31/1

Merge pull request #118 from it-workshop/wp/CAROLINE-31/1