+ [OES-98] allow CRT field in OCT element to be blank
+ [OEM-40]  shortcode support for visual acuity
+ [OEM-40] migration file
+ updated RELEASE file
+ [OEM-40] have eyes in the correct order for visual acuity findings
+ [OEM-41] include negative statement about photocoagulation for retinopathy and maculopathy
Merge branch 'master' into develop
+ [OEM-39] letter string for injection management complex
+ [OE-3349] populate child management letter strings into clinical management finding letter string
Merge branch 'master' into hotfix/findings-shortcodes
+ [OEM-40] formatting fix
+ [OEM-15] setup new OCT fields
Merge branch 'hotfix/oem-15' into rc/1.4.8
+ [OEM-15] display history of SFT measurements
Merge branch 'hotfix/oem-15' into rc/1.4.8
+ [OEM-15] validation fixes, phpdoc updates
+ allow investigation description to be empty when it has child elements
+ added letter string to OCT
+ support for child letter string inclusion for investigation
Merge branch 'hotfix/oem-15' into rc/1.4.8
+ [OEM-15] tweaking validation behaviour
+ [OEM-15] tweaking validation behaviour
+ [OEM-15] make sft history only display past values on edit, not all.