versioncontrol 6.x-2.0-beta2

Fixes, documentation update and new drush command for queue code arrivals.

Changes since 6.x-2.0-beta1:

• Remove unneeded dashes from drush command options.
• Fix DrupalQueue::get() call on vcapi-enqueue-codearrival drush command.
• Add event to the list of known versioncontrol entity types for backend tests.
• Do not serialize the payload before creating the item for the reposync queue.
• Do not use zero seconds as queue cron time.
• Add a very simple command for enqueuing a code arrival event into the appropriate queue.
• Follow up on generateCodeArrivalEvent() move from backend to repository.
• #1131084: Fix logic about plugins default loading.
• #1131084: Make a little more verbose the exception for plugin loading.
• Remove unused permission.
• Move generateCodeArrivalEvent() from VersioncontrolBackend to VersioncontrolRepository.
• #1291904: First round of updates to the example fakevcs backend module.
• #983926 follow-up: Remove account related classes from the base backend class.
• #983926 follow-up: Remove deprecated account authorization related functions.
• #1291904: Remove deprecated hooks from documentation file.
• #1291904: Update api documentation for entity CRUD hooks.
• Use the same pattern to name all entities CRUD hooks.