fixed an action method in stiduy which should *not* use getContextSuffix()
Merge branch 'develop' of github.com:IQSS/dvn.git into develop
removed old getNavigationVDCSuffix method (replaced by getContextSuffix)
fixed getDataversePageTitle (again)
fixed an action method in stiduy which should *not* use getContextSuffix()modified action methods to use new getContextSuffix method