minor formatting changes
minor improvements to generic_lister
improve vacancies get_when()
PEP8
default project: not in multiple entity mode
small addmin_mixins change
some fixes for example project
fix maps issue with new JS script
update installation docs
update map JS
correct CSS error
menu mechanism now allows new style menu classes
greatly improved URL configuration, and new menu classes
merge url config improvements
Merge branch 'develop' of github.com:evildmp/Arkestra into develop
provide better 404s in contacts & people
migrations to remove old url field
better methods (and tests) for listers' other_items()
created sidebar classes in templates
Merge pull request #116 from evildmp/improve-other-items

better methods (and tests) for listers' other_items()