working on DeviceDB GUI
[DeviceDB] added another abstraction layer
fixed compilation error
DeviceDB can now be run inside Portal server. Modified DeviceDBService so that it can be used from within Portal and as a standalone service.
Fixed bug in RemoteDeviceDBTest
Added to gitignore
Preparations for WSN.disable/enableVirtualization
Comment removed
Closes #200: Check a user's access rights before executing certain operations in IWSN
Unnecessary import in PortalModule removed
[DeviceDB] persisted position, improved REST API, worked on GUI
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	device-db/src/main/java/de/uniluebeck/itm/tr/devicedb/DeviceDBRestResource.java
[DeviceDB] changed path in REST API, small UI fixes
Worked on getChannelPipeline
Merged origin/develop
Fixed DeviceDBs CoordinateEntity to work with MySQL
Integration of DeviceDB into portal done (including web app)
[DeviceDB] added support for nodeConfiguration in GUI, fixed some problems
[DeviceDB] fixed path of new assets
Made TR work with the endorsed libs-free CXF based version of Service Publisher