adding support for replica set and authentication
lib/schemaPlugins autokey: Added 'fixed' attribute to control if the value should be changed on update
Fixed exception when deleting item that has many-many relation from list view. Regression from #478
making the replica set syntax the same as in mongostore
Adds auth check for Volume and Meeting model creation.
Hides isAdmin permission option.
reapplying fix to #499, rolled back by #530
Merge pull request #545 from JohnnyEstilles/hotfix/reapplying-fix-499-rolled-back-by-530

reapplying fix to #499, rolled back by #530
Merge pull request #543 from thedersen/fix-delete-list

Fixed exception when deleting item that has many-many relation from list...
Sort order consistent and starting from 0
Merge pull request #552 from albertogasparin/fix-sort-order

Sort order consistent and starting from 0
Update bootstrap-markdown.js to latest v2.5.0
Make the createItems linking phase a bit more resilient to exceptions.
Rewording of comments.
Merge pull request #553 from albertogasparin/md-editor-update

Update bootstrap-markdown.js to latest v2.5.0
Address code review comments on 89086c3 (see https://github.com/JedWatson/keystone/pull/554#comments)
Use utils.plural when logging the updates warning count.
Merge pull request #554 from webteckie/master

Make createItems more resilient to crash exceptions
No 'New (List)' button w/ nocreate, fixes #563
correcting reference to options.updatedBy in tracking plugin