Reusable Test Council Ward

A class which contains reusable parameters for when a RoutableArea is needed
Tests pass with new Test Council Ward
Made Dwelling Group order repeatable in RouteImpl
Minor changes to TestCouncilWard

Additional changes to Tests and xml to reflect these changes
Made a place holder for PDF production

Greats a simple route, this has 3 Dwelling Groups in it of which 2 share the same name. This will allow for rapid development of the changes required to make route maps more readable following on from the changes.
Made a couple of Implementations Public
Created getCommonName() method for DwellingGroups
Checked postcode field for null before changing
PDFRrenderer supports much smaller Dwelling Groups
Route sheet also merges single dwellings
Merge pull request #50 from etothepii/feature/FRDNTH-40

Feature/frdnth 40