** Added identifier parameter into WorkspaceEntityDAO create method
** Added method for finding WorkspaceTypeEntity by data source and
identifier into WorkspaceController 
** Added functionality to all workspace list / find method that ensures
that corresponding WorkspaceEntity exists  
** Separated workspace settings view logic into WorkspaceViewBackingBean
from SettingsBackingBean
** Added type column and link to workspace into workspace settings list
** Added pretty faces dependency
** Added urlName property into WorkspaceEntity
** Added forwarded requests into LocalSessionFilter scope (fixed npe
problems with pretty faces)
** Changed Pretty Faces into development mode
** Renamed settings WorkspaceTypeFormBackingBean ->
WorkspaceTypeSettingsViewBackingBean to avoid conflicts
** Moved getWorkspaceTypeEntities method for SettingBackingBean into
WorkspaceTypeSettingsViewBackingBean
** Renamed WorkspaceViewBackingBean into
WorkspaceSettingsViewBackingBean to avoid naming conflicts
** Moved getSettingsWorkspacesContentToolsTopSet method into
WorkspaceSettingsViewBackingBean
** Fixed class names in SettingsPluginDescriptor
** Added PluginConfigurationProvider for pretty faces (provides pretty
face annotation discovery for plugins) 
** Moved pretty faces dependency from webapp to core project
** Added new core plugin: workspace
** Moved workspace views into core plugins (workspace plugin)
** Changed content plugin to be visible for everyone
** Added empty pretty-config.xml