[OE-2574] changed numerical operator to default to - on refraction sphere/cylinder fields.
+ rename the management element to cataract management
Added new parent Management element and made CataractManagement it's child
Moved comments from CataractManagement to parent
Child view formatting
Sticky form actions
Move code to core
Moved tab highlighting to core
Fix button colours
Change optic disc diameter to textbox + required
Add 66 to lens choices
Set update
Added doodle to basic toolbar
Show van herick images on both basic and expert modes
Allow browsing and optional import of previous elements
Merge branch 'release/1.2-moorfields' into release/1.3-moorfields
+ transitionary changes to bring in line to required structure for 1.3 merge
Merge branch 'release/1.3-moorfields' into feature/dr-function