Altered and provided attributes should be editable

The altered and provided attributes for the invitations/public-form plugin should be editable.

Actual behavior

They are hard coded

Expected behavior

Have a tab on public forms to alter attributes.

added plugin-invitations plugin-public-forms labels

created branch 5877-altered-and-provided-attributes-should-be-editable

mentioned in commit 88ce7061

added 5h of time spent at 2018-10-29

created branch 5877-altered-and-provided-attributes-should-be-editable

mentioned in commit 78bc4e99

added 2h of time spent at 2018-11-06

created branch 5877-altered-and-provided-attributes-should-be-editable

mentioned in commit cb43b5d3

added 30m of time spent at 2018-11-08

closed

added user-manual label

added Changed label