add lastModified timestamp to user profile
prevent race condition in lastModified test
verify that read doesn't update lastModified on a principal
(Release 3.0.0) Bump version
(Release 3.0.0) Remove shrinkwrap
Merge pull request #702 from stuartf/issue-702

Show lastModified time for a user
568 - Specialized autosuggest feed for finding principals to share content with
568 - Added canInteract validation on the createDiscusion, createContent and setContentPermissions API methods
better timezone validation
#568 - Follow-up

 * _.isEmpty in the appropriate places
 * cleaned up unit test
 * refactored documentation
Merge pull request #568 from simong/568-share-feed

Groups who are private and joinable show up in share feed, yet you cannot share with them
Merge remote-tracking branch 'stuartf/issue-726'
Use if statement instead of try/catch