Issue #2242405 by mikebarkas, jlbellido | alexpott: Fixed FileTransfer::connect is protected yet the implementations are public and this is relied upon.

Issue #1983136 by fubhy: Use 'instanceof' instead of class_implements() in \Drupal\Core\FileTransfe\FileTransfer.

Issue #2100329 by cosmicdreams: Use \Drupal instead of Drupal to make IDEs and static code analyse tools happy.

Issue #1614186 by RobLoach, tim.plunkett, msonnabaum, Crell, jhodgdon, Niklas Fiekas: Update coding standards for using 'native' PHP classes like stdClass in namespaced code.

This reverts commit c4e52bb6.

Issue #1168246 by sun, mgifford, Manuel Garcia, mbrett5062, ry5n, Everett Zufelt, nod_, aspilicious, deviantintegral, tim.plunkett: Freedom For Fieldsets! Long Live The DETAILS.

Issue #1323124 by amateescu, aspilicious, Berdir: Convert file transfer system to PSR-0. Commit ALL THE files.

This reverts commit 5abec889.

Issue #278425 by andypost, OnkelTem, chx, c960657, droplet et al: Fixed Using basename() is not locale safe.

Nate Lampton authored Oct 30, 2011 and catch committed Nov 01, 2011

Issue #22336 by quicksketch, scor, boombatower, and rfay. Move all core Drupal files under a core subdirectory.

#1010506 by dww, chx, hgurol: Fixed FileTransfer doesn't properly handle any advanced settings nor the ssh username

#609772 by dww, JacobSingh, ksenzee: Fixed Impossible to extend the FileTransfer class system in contrib

#935036 by bfroehle, dww, int: Exclude '.' and '..' when recursing through directories in update module.

- Patch #348448 by mfb, c960657, marvil07, cdale, jpmckinney: fixed PHP strict warnings when running tests and for PHP 5.3.

#602520 by JacobSingh and dww: Make FileTransfer form have one option for FTP (ftp_extension() preferred).

#517814 by jmstacey, justinrandell, pwolanin, drewish, Jody Lynn, aaron, dopry, and c960657: Converted File API to stream wrappers, for enhanced private/public file handling, and the ability to reference other storage mechanisms such as s3:// and flicker://.

- Patch #395472 by JacobSingh, chx, cwgordon7: more improvements to the file transfer system to pave the path for a plugin manager.  Heroic effort.

- Patch #395472 by chx, dww, cwgordon7, JacobSingh, et al: added different file transport mechanisms to core in preparation of a plugin manager.