[OE-2589] ReportController which exposes the data for the cataract outcomes report.
[OE-2589] minor tweaks to support the operations report.
[OE-2589] operations report bugfixes
[OE-2589] bugfixes
[OE-2589] include institution averages in cataract complication graphs.
[OE-2589] alt db connection for reporting
Merge branch 'develop' into jira/2589