Merge pull request #26 from AlexBrown92/Alex

27/11/14 - Adding findMedicine and findPatient
Merge pull request #27 from AlexBrown92/Alex

Alex
Added BillView page
	> can update consulation cost
	> add bill item
		(if bill item already excists will update the bill item)
	> remove a bill item
	> pay a bill

Moved models to models subfolder hence new folder arrangement
	> Models
		> DatabaseModels
			- direct copies of the database
		> ViewModels
			- models which has view required information
Edit medicine on billView page
Medicine Listing

Consistency check with visibility of buttons
testing changes
Changes to start to allow for a patient/bill to be added
Add Bill/Patient implementation