GUI.py: convert label information to more readable format

no actual code change except re-arrange the variables.

Change-Id: I08572f3e85db73a61e1f2bab2d5e440025d35b93
Signed-off-by: Mattias Ryrlén <mattiasr@op5.com>
Merge pull request #65 from mattiasr/master

GUI.py: convert label information to more readable format