Added FTP rename functionality.
Added FTP rename functionality.

Change-Id: I7c19dd06e225257327fa539f0e7ea15cfbd3299a

Consoneo/Gaufrette,peelandsee/Gaufrette,ronaldlopez/Gaufrette,jenkoian/Gaufrette,WayOfBrave/Gaufrette,alex88/Gaufrette,KnpLabs/Gaufrette,1001Pharmacies/Gaufrette,KnpLabs/Gaufrette,jenkoian/Gaufrette,igormukhingmailcom/Gaufrette,acucchieri/Gaufrette,igormukhingmailcom/Gaufrette,ronaldlopez/Gaufrette,acucchieri/Gaufrette,alex88/Gaufrette,1001Pharmacies/Gaufrette,watermanio/Gaufrette,WayOfBrave/Gaufrette,NiR-/Gaufrette,NiR-/Gaufrette,watermanio/Gaufrette