Fix keyboard focus not being reset when no control with keyboard input is selected
Complete the default skin with a layout for some missing controls, mostly GroupBox and other items on that list (visual comes from a previous release of GWEN)
Fix the textbox Layout issue (No centering) and unintuitive selection/scrolling behavior.
Don't set KeyboardFocus to NULL, use KeyboardFocus->Blur() instead, so the relevant events are sent
Add DirectX SDK include /bin dir to the premake files so that it compile out of the box.
Merge pull request #31 from pixelballoon/pull/keyboardfocus

Fix keyboard focus not being reset when no control with keyboard input is selected
Merge pull request #36 from jeremieroy/master

Fix the textbox layout behavior, add DXSDKDIR to premake and restore default skin
Merge pull request #37 from billyquith/master

More Allegro platform features.
Fix for compiler errors in Visual Studio 2008.

Bug:
- Visual Studio 2008 errors in Gwen::Min about Extension.size() returning
  an ambiguous value (int vs. unsigned).

Fix:
- Replaced the hardcoded 512 with sizeof(FilterBuffer) since
  Extension.size()and sizeof() both return a size_t.

Misc Changes:
- Changed some hard-coded values used multiple times into a defined value.
  Makes the code more readable and less prone to errors if the values need
  to change.
Merge pull request #41 from DeeKayHT/CompileFix

MSVC2008 (Windows) Compile fix
Fix various warnings for win32.
* Signed/unsigned.
* _s safe string functions.