[OE-2847] new dropdown values
[OE-2655] fixed vitrectomised_eye field not in model safe clause.
+ tweaks to API for Visual Acuity to provide cleaner access to outside the module
Fixed broken images
Used prioritised CSS
[OE-2803] Empty side validation fixed
[OE-2856] added SectorIridectomy and PosteriorSynechia doodles to the anterior segment element.
+ added the the getOrderedDisorders API method

Conflicts:
	components/OphCiExamination_API.php
added missing event_id foreign key
Fixed error in Diagnosis element on trying to get patient_id
Change of scale
[OE-2621] show cct and iop in the episode summary
Merge branch 'release/1.3-moorfields' of github.com:openeyes/OphCiExamination into release/1.3-moorfields

Conflicts:
	components/OphCiExamination_API.php
Refactored attributes to allow better child inheritance and filtering
Merge branch 'release/1.3-moorfields' of github.com:openeyes/OphCiExamination into release/1.3-moorfields
Missed new files
Filter text macros depending upon which elements are active
Disable empty text dropdowns
+ fix filename for comorbidities printing OE-2895
[OE-2706] api methods to support correspondence findings dropdown
[OE-2706] fixed management letter string pullthroughs