fix styles
Merge branch 'master' into app-manager-cosmetic-ui-changes-52356
Update model.js

renaming
Update util.js

renaming some question types (pls check i just renamed the select option button and not other random things)
fix other potentially breaking uses of 'Data Node'
Merge pull request #47 from dimagi/amelia

Update model.js
remove legacy css
some more renaming
fix some css i oopsedly broke
fix the name of a property in the UI (for S)

It looks like it would be a bit more involved to support checkbox inputs
being checked by default, and it also would currently always put
jr:noAddRemove="false()" when leaving out the property is sufficient.
remove itext id from form content export (Case:56308)
Merge pull request #48 from dimagi/app-sidebar

App Builder Redesign
hotfix botched renaming attempt
Merge pull request #49 from dimagi/hotfix

hotfix botched renaming attempt
fix rename instead of reverting it
Merge pull request #50 from dimagi/fix-rename

fix rename instead of reverting it
minor refactor, remove unreferenced event
remove unused multimedia upload in vellum
unnecessary events
fix issue with duplicate nodes in UI (Case:50777)

unnecessary extra reloadUI call would result in duplicate nodes being
created for any that occured after 400 milliseconds after calling it
because loadXForm() calls resetFormDesigner() which resets the UI and
then reloadUI(), after 500 milliseconds.