Bugfix for Invalid cross-device link on Linux when /tmp is on another fs

[Renha]

Hello. There are fix for #710 and #716

When octoprint going to move a file from one directory to another on linux, if directories is located on different filesystems, os.rename wouldn't work, raising error "OSError: [Errno 18] Invalid cross-device link". In that pull request it is fixed with changing os.rename into shutil.move

Another effect of changing: shutil.move is high-level operation, which uses os.rename if it is acceptable, so maybe win32-specific code isn't needed with shutil (investigations still needed though).

[dattas]

This appears to completely fix issue #710 for me.

[foosel]

Just FYI, that's also the fix I had in mind, I just have to make sure that
there are no locations left which I didn't come around to yesterday, hence
no merge yet. Plus I wanted to experiment with win32 behaviour, looks like
that ugly workaround is still necessary though, since it's against win's
reluctance to overwrite existing files which still causes trouble here.
On 14 Jan 2015 22:48, "Dattas Moonchaser" notifications@github.com wrote:

This appears to completely fix issue #710
#710 for me.

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#717 (comment).