feat #1046 Removal of contentMacro property in aria:Dialog widget configuration

The `contentMacro` property in the configuration of the aria:Dialog widget is no longer available. It was deprecated in version 1.4.10 (commit 7ff840a41bd8fb23163f2366e36465b180acfd26) in favour of `macro` for consistency with the `section` statement configuration.
feat #1043 Removal of bindRefreshTo statement

`bindRefreshTo` statement was deprecated in version 1.4.2 (commit 9596760c59ca923ab03c91c3b935e65a7cd5b36f). It is now removed for good.

Close #1043