remove nmr that is causing errors.
Merge branch 'multi_bug_fix' into zhcard_dev
visits restricted to mothers.
Merge branch 'multi_bug_fix' into referral_fix
Merge branch 'multi_bug_fix' into zhcard_dev
filter visits down to selection mothers.
Merge branch 'multi_bug_fix' into referral_fix
Merge branch 'multi_bug_fix' into zhcard_dev
Ensure pnc behaves.
Merge branch 'zhcard_dev' into referral_fix

Conflicts:
	mwana/apps/smgl/views.py
Birth Location and date.
PNC Visit data in the exports
Merge branch 'multi_bug_fix' into referral_fix