registration 7.x-1.0-beta3

Changes since 7.x-1.0-beta2:

• #1616944: Add permission to manage own registration type settings.
• #1661428 by greggles: Insufficient filtering of registration states.
• Minor code formatting.
• #1567856: Capacity set to unlimited displays 0 slots remaining at node/*/register.
• Rename hook_uninstall() to registration_uninstall().
• #1622222: Fix typo.
• #1609152 by dpi: Alternate ending page for anon registration to avoid Access Denied.
• #1627210 by dpi: Handling when a host entity is unavailable.
• #1652066 by 30equals: Provide context to translatable strings for the registration status in views.
• Verbiage update