Tentative commencement of Phase 3 & Features

[mosesmbadi]

Features to be implemented in Phase 3
Use the technical implementation guide (here) and Information from Issues and discussions

1. OrderBills/Invoices, as explained here OrderBill/Invoices #53
2. Prescriptions Prescriptions #85
3. LabTestRequests
4. Inventory Management
5. Triage - for any windows for a doctor process, add triage information for that particular patient on top of that window, i.e the consultation and send to lab window should show the triage info on top.