Added error when no job locations are added.
imported the flat style from pd-844
Merge branch 'pd-830' of github.com:DirectEmployers/MyJobs into pd-842

Conflicts:
	templates/postajob/job_form.html
Merge branch 'master' of github.com:DirectEmployers/MyJobs into pd-842
Updated unit tests for locations.
Use hasattr to see if a foreign key exists
PEP 8 [PD-863]
Merge pull request #1071 from DirectEmployers/no-companyprofile

Use hasattr to see if a foreign key exists
Merge pull request #1063 from DirectEmployers/pd-842

[PD-842] Adds a validation error if no location is added
Changed representation of date field.
Added migration.