Change of epoch default value to NO_VALf
Update of CSGeo-plugin following a modification in SurveyLib and CSGeo implied by the ticket SUS-1927 (Redevelopment of the CSGeo DLL.)
Update of CSGeo-plugin following a modification in SurveyLib and CSGeo implied by the ticket SUS-1927 (Redevelopment of the CSGeo DLL.)