GDI-DE Registry

Die Live-Registry (https://registry.gdi-de.org) wurde erfolgreich geupdatet und läuft nun in der Version 1.4 (dd9a822 vom 09.10.2017).

• Add REST endpoints to check for existing `ProposalChangeRequest`s
• Delete user: Add warning when open `ProposalChangeRequest`s by the user exist
• Add proposal views for `RE_SubregisterDescription` items
• Show loading screen in signup view after organization type is selected
• Add JavaDoc for all updated classes, HTML templates and JavaScript files
• Add release guide `RELEASE.md`

• Sort item class selection dropdowns alphabetically
• Prevent `Supersession` proposals for `RE_SubregisterDescription` items
• Change of e-mail address by the user is now reflected immediately in the page header
• Force use of register short names instead of register names in `templates.registers` config option (not backward compatible!)
• Allow register short names instead of register names in `autosubmitter.registers` config option (backward compatible)

• Fix updating a `RegisterUser` via the profile view
• Fix deletion of a `RegistryUser` who is the author of open `ProposalChangeRequest`s
• ID Resolver: Prevent fragment after last dot in URL to be interpreted as file suffix for content negotiation
• Display name instead of UUID of referenced `RE_Register` in `RE_SubregisterDescription` proposals
• Fix cases of abnormal abortion of tasks for newly created `Proposal`s
• Harmonize displayed names of `Organization` type between different dropdown lists