update reference guide
update reference guide

Stratio/crossdata,gserranojc/Crossdata,hdominguez1989/Crossdata,Stratio/crossdata,compae/Crossdata,darroyocazorla/crossdata,pmadrigal/Crossdata,compae/Crossdata,luismcl/crossdata,pmadrigal/Crossdata,jjlopezm/crossdata,hdominguez1989/Crossdata,darroyocazorla/crossdata,luismcl/crossdata,miguel0afd/crossdata,jjlopezm/crossdata,miguel0afd/crossdata,gserranojc/Crossdata