** Added school data entity WorkspaceUser
** Added listWorkspaceUsers method into WorkspaceSchoolDataBridge
interface
** Implemented listWorkspaceUsers method in MockedWorkspaceBridge and
related MockedWorkspaceUser
** Added foreign key constraints into school data mock plugin's create
table script
** Added test data for workspace users testing purposes
** Deprecated UserGroup, UserGroupUser and UserPicture entities
** Removed deprecated UserController
** Added new UserController
** Changed publicity of WorkspaceSchoolDataController and
UserSchoolDataController to package protected because they are not
intended to be used directly
** Temporarily commented out user seeker functionality
** Fixed references to UserController and SchoolDataControllers
** Changed WorkspaceController and UserController to be @Stateless
** Added method to list emails by user and overloaded methods to find
User entities into UserController
** Added methods to find and list WorkspaceUsers into Workspace
controller
** Changed WorkspaceSchoolDataBridge listWorkspaceUsers method to
require workspaceIdentifier 
** Added getUserSchoolDataSource and getWorkspaceSchoolDataSource
methods into WorkspaceUser entity
** Added findByUrlName method into WorkspaceEntityDAO
** Cleaned up workspace view texts
** Added content widget by default into workspace content area
** Added initial version of workspace members list
** Fixed settings workspace link
** All ids were off by 1 in workspace users mock data script
** Fixed erroneous workspace users fetch script in
MockedWorkspaceSchoolDataBridge  
** Implemented getUserSchoolDataSource and getWorkspaceSchoolDataSource
methods in school data mock plugin