Support legacy config 'url' parameter

We previously changed the url config parameter to point to the
main FB url (in order to be able to generate links to cases etc.).

Provide support for existing config files with URLs with a api.asp
suffix.
Merge branch 'develop' of git:webservice_fogbugz_xml into develop
Update Changes
Add Person class and provide get_people method
Add assignee attribte to Case
Fix search method.
Merge branch 'feature/list_people' into develop
Bump Changelog
Merge branch 'release/1.0200' into develop