Add new file from remote path with new filename

[ayaDorghamy]

Added the option of creating a new file from a remote file with a new filename.

[ayaDorghamy]

Added filename rename option when uploading a file from a remote path.

[joshchernoff]

I can be wrong but I think this is already existing functionality

[Betree]

Could we merge this ? Code is short, tested and solves a very common problem (see #227)