Added info option for jupnp command line tool.
* added info commandline args and command implementation
* added test cases for info command
* refactored test cases (UpnpService can be mocked now)
* refactored out IpAddressUtils
* Fixed remarks from Kai
  * removed TODO, printStackTraces
  * removed not used code
  * changed device ids to use fake numbers

Signed-off-by: Jochen Hiller <jo.hiller@googlemail.com> (github:
@jochenhiller)
Merge pull request #5 from JochenHiller/004-tool-add-info-command

Added info option for jupnp command line tool.
update now checked for changed ip address. if it has been changed, the device is removed and re-added.
added a test for the ip address change 

Signed-off-by: Andre Fuechsel <a.fuechsel@telekom.de>
Merge pull request #10 from afuechsel/fix-ip-change

Handle IP adress changes
fixed configuration update handling and properly removed servlet registration on shutdown

Signed-off-by: Kai Kreuzer <kai@openhab.org> (github: @kaikreuzer)