Nicaraguan phone numbering plan

Nicaraguan phone numbering plan now supports mobile numbers starting with 7 and 8
Merge branch 'patch-1' of https://github.com/BruceLampson/zf2 into hotfix/5891
Add unit test for #5891

Updated the PhoneNumber test to support arrays of possible phone numbers
to test against.
Merge branch 'hotfix/5891'