API Add HasRequestHandler interface
API Refactor Link() and url handling behaviour from Controller into RequestHandler
API RequestHandler classes now must define url_segment to have a default Link()
API Clean up redirectBack()
Enhancement add accessibility info to page number
Enhancement new font icons added, improve trash icon and increase icon size of close
Enhancement improve title of gridfield search trigger
Enhancement add title to button to open gridfield search and improve gridfield search styles
API Shortcode fails if no parent
API JQuery-UI classes removed
Enhancement centre actions tabs within dropup in more-actions
Enhancement fix IE input height issue and fix for safari of icons in buttons with hidden text (e.g. pagination)
Enhancement only show external link on hover
Enhancement remove float from buttons as already aligned inline
Enhancement Align buttons in toolbar more consistently
API remove ui overrides
API ss-ui-button no longer exists so styles where not seen, removed nesting
Enhancement Tidy up permission icons to new icon library
WIP The modal is a short term workaround until the UI is all react based but we wanted to do some cleanup prior to 4 release
API Remove ssui.button
Enhancement Update buttons to new flat bootstrap style
