Squashed commit of the following:

commit 3c965948
Author: Raphael <ufdrv@student.kit.edu>
Date:   Mon May 15 08:52:46 2017 +0200

    a bit reformatting

commit 52033027
Merge: 99e59542 2c59d291
Author: Raphael <ufdrv@student.kit.edu>
Date:   Wed May 10 17:35:37 2017 +0200

    Merge branch 'master' into RTRobotUnitV2

commit 99e59542
Author: Raphael <ufdrv@student.kit.edu>
Date:   Wed May 10 17:33:05 2017 +0200

    further transition to the device concept

    missing:
    * robot unit finit
    * robot unit sub units
    * lvl1 controllers

commit 197f9777
Author: grimm <raphael.grimm@student.kit.edu>
Date:   Mon May 8 12:46:21 2017 +0200

    renaming
    further transition to devices concept

commit 128d0f43
Author: Raphael <ufdrv@student.kit.edu>
Date:   Fri May 5 16:37:42 2017 +0200

    refactor a few names
    add impl for sensor/control device

commit 6427d0d1
Author: Raphael <ufdrv@student.kit.edu>
Date:   Thu May 4 23:39:36 2017 +0200

    add an inital version of sensor devices

commit 5f2f6a84
Author: Raphael <ufdrv@student.kit.edu>
Date:   Thu May 4 23:39:04 2017 +0200

    update the BasicControllers