Merge branch 'feature/autokey_fixed'

* feature/autokey_fixed:
  lib/schemaPlugins autokey: Added 'fixed' attribute to control if the value should be changed on update
Merge branch 'master' of https://github.com/JedWatson/keystone

* 'master' of https://github.com/JedWatson/keystone: (47 commits)
  fixed issue #598 unexpected behavior replacing cloudinary image
  added mpromise
  fixed reference to travis-ci build status image
  Adding note about WYSIWYG config options
  fixing issue #597 regarding cloudinary caching
  Fixing Keystone 'cloudinary folders' and Cloudinary.Image 'folder' option
  fixed cloudinary select option styling, rolled back by #530
  document cloudinary 'publidId', 'folder', 'autoCleanup', 'select' and 'selectPrefix' options
  document 'cloudinary folders' option
  Fixing attribution
  v0.2.27
  Updating Changelog
  Updating dependencies
  Update form.jade
  add preview for embedly field
  moved wysiwyg to configuration.jade
  Revert "docs for wysiwy-modes"
  Revert "corrected grammar"
  corrected grammar
  docs for wysiwy-modes
  ...
Docs: updated with the "autokey: fixed" option
Merge branch 'master' of https://github.com/JedWatson/keystone

* 'master' of https://github.com/JedWatson/keystone:
  added docs for relationship filters
  added ability to filter relationship by any input field or _id
Admin UI: templates missing 'notes' in 'name' field
Merge pull request #611 from ignlg/feature/item_name_note

Admin UI: name field shows a note if present
Merge pull request #605 from ignlg/feature/autokey_fixed

Updated docs with autokey fixed option