merge large file patch from Andy La Foe

merge large file patch from Andy La Foe

Merging involved "Content-length" => "Content-Length"
capitalizing 'L' as per p4#3627 (aka SVN r433)

Ref: http://rubyforge.org/tracker/index.php?func=detail&aid=13764&group_id=1513&atid=5923
> Submitted By: Andy Lo-A-Foe (arloafoe)
> Category: mogilefs-client
> Summary:
> Store very large files (> 256M) without running out of memory in store_file
>
> Detailed description
>
> This is a patch to the MogileFS::store_file mechanism in order to
> support very large filee stores using HTTPFile. We sometimes have to
> store files of up to 1GB in size. Using chunking is not really an option
> since it has proven to be very unreliable (mogtool) and there is no
> support for it in the current version of this client. This patch
> basically reads 16M chunks at a time and writes them to the tracker
> socket instead of trying to stuff the while file in the StringIO and
> running out of memory. It's probably very rough and the get_file_data
> symmetry patch is not there yet. Feedback appreciated.