[OE-2824] added previous operations widget to the patient summary.

Conflicts:
	css/style.css
	protected/models/Patient.php
[OE-2788] added medications widget to the patient summary.
[OE-2826] implemented family history widget on patient summary.
[OE-2872] default to N/A in family history side dropdown
[OE-2879] enforced access level editing restriction on new patient summary widgets.
[OE-2879] made the allergies widget behave like the other widgets on the patient summary.
Merge branch 'release/1.4-moorfields' into feature/orbis

Conflicts:
	protected/migrations/m130403_070819_new_family_history_options.php
	protected/views/patient/_OPH_info.php
	protected/views/patient/_family_history.php
	protected/views/patient/_medications.php
	protected/views/patient/_previous_operations.php