Add Amazon S3 mover.

Implemented as a new move method.

Code by John Durkin <john@j2d3.com>.

Merge into bricolage github by Darren Embry <darren@rfxtechnologies.com>.
Remove a "quiet change" that added a space at the end of a line.
Fix author credit.
Add the new S3 Mover class to the database.
TYPO: missing closing quote somewhere
Add S3 mover to Bricolage update scripts
Some minor documentation updates.
Add ENABLE_S3_MOVER configuration variable.
list_move_methods sub now groks ENABLE_S3_MOVER.
Add a stub test for the S3 mover.
Fix a pasto.
Remove a redundant use line.
No need for File::MimeInfo.
Simple search should search current versions only

[#242 state:resolved]
Test fix; inactive works a little differently now

See: d59fc1436d8276d489a7
Test fix; inactive works a little differently now

See: d59fc1436d8276d489a7
Need `required.db` to build `modules.db`.
Fix test failure when PNG support not in Imager.
Adding the site id parameter to the OC lookup.
Fix deprecated bare `qw()`s.

Deprecated in Perl 5.14.