Merged ANC and POS Into single 'total' figure

REquest that ANC should reflect the total of all visits except ANC1
while POS should reflect all visits.
Reports as tabs.
sms user modifications.
Active status based on the time period specified.
Show facility and user type.
Added the different handling of active status for different users.
Facility on errors page.
Merge pull request #163 from AndreLesa/users_fix

Users fix
Revised reminders.
Merge branch 'report' into zhcard_dev
Merge branch 'reminder_stats' into report
Merge branch 'report' into uf
Merge branch 'report-fix' into reminder_stats
Merge branch 'report' into report-fix
Merge branch 'uf' into report-fix

Conflicts:
	mwana/apps/smgl/views.py
tabs
Merge branch 'report-fix' into reminder_stats
Reminders work.
Accept GET parameters when processing.
Better threshold values for sms users.