Image::flipVertically(), Image::flipHorizontally() optimizations.
Made Ftp::sendCommand() public
Minor formatting
Improved Ftp::sendCommand() documentation
Fixed several Doxygen warnings, limited input to *.hpp files
Cached sf::Text attributes

Two optimizations:
- If a value remains the same, nothing happens
- Recompute geometry only before drawing and bound access, not after each set

Closes #413
Fix typos and missing Joystick::
Merge pull request #555 from varnie/master

Image::flipVertically(), Image::flipHorizontally() optimizations
Window::create() now also resets framerate limit

Fixes #371
Merge pull request #562 from CheezeCake/master

Fixed compile errors on FreeBSD
Fixed disabling key repeat on Linux
Merge pull request #567 from abodelot/x11keyrepeat

Fixed disabling key repeat on Linux (#564)
Improved coding style of OS X implementation

And fixed some typos.
Fixed a few glitches in the documentation
Fixed unused parameter warnings
Removed support for OS X 10.6 and below
Updated Objective-C implementation to use ARC; removed i386 support
Fixed NSApplication not retaining its delegate
Added some memory autorelease pools and nil'ify attribute
Fixed incorrect symlink in freetype.framework (close #519)