Add z=1 to partner saved searches if url_extras has a value [MJ-755]
Remove factored-out code [MJ-755]
Add docstrings to helper methods [MJ-755]
Remove more unnecessary code [MJ-755]
Add documentation for z parameter [MJ-755]
Merge branch 'master' into saved-search-auto-z-param

Conflicts:
	mypartners/views.py
	mysearches/models.py
Merge pull request #511 from DirectEmployers/saved-search-auto-z-param

Add z=1 to partner saved searches if url_extras has a value [MJ-755]