** Removed WorkspaceViewBackingBean and exploded it into three new
classes WorkspaceMemebersBackingBean, WorkspaceIndexBackingBean and
GenericWorkspaceBackingBean
** Changed workspace navigation widgets to use
genericWorkspaceBackingBean
** Renamed GenericWorkspaceBackingBean into
WorkspaceNavigationBackingBean and changed it to be injected into view
backing beans instead of inhering
** Fixed navigation on WorkspaceMaterialsBackingBean
** Removed unused methods from WorkspaceIndexBAckingBean
** Moved workspace member related methods into
WorkspaceMembersBackingBean
Merge branch 'devel' of https://github.com/otavanopisto/muikku.git into
devel

Conflicts:
	muikku-core-plugins/src/main/resources/META-INF/resources/widgets/workspace-navigation-cockpit.xhtml
	muikku-core-plugins/src/main/resources/META-INF/resources/widgets/workspace-navigation-materials.xhtml
	muikku-core-plugins/src/main/resources/META-INF/resources/widgets/workspace-navigation-members.xhtml
** Merged issue #6 changes