Examples: DirectX9: tweaks.

Examples: DirectX9: resizing vertex and index buffers dynamically (#299)

Minor Windows adjustments

Added printf attribute to printf like text formatting functions

Update documentation

Fixed documentation

Merge remote-tracking branch 'origin' into 2015-07-cleanup

Clear font texture view to ensure Release() doesn't get called twice

Merge remote-tracking branch 'origin' into 2015-07-cleanup

Carriage return (#289)

Show SDL error message on init failure

Updated projects to reference new files (#219) ...

Didn't update iOS example (#247)

Examples: OpenGL3: simplified code using glBufferData for vertices as well (#277, #278)

Tweak

To support drivers with strict core profiles, a buffer is used for the indices as well (fixes ocornut/imgui#277).

Update README.txt

Update README.txt

Use ImGuiIO::AddInputCharactersUTF8() in SDL2 example ...

Now Unicode text input works in this example.

Fix SDL2-example for Linux ...

The header is called "SDL_opengl.h" - case matters on Linux.

The main() function must indeed be called main(), on Windows it'll be
renamed to SDL_main (for SDL2main.lib) by #define in SDL_main.h
(which is included by SDL.h)

I added an entry to the example's README that describes how to build
it on Linux.

Fonts: added Cousine-Regular.ttf

Examples: comments.

Examples: Simplified font examples comments.

Merge remote-tracking branch 'origin' into 2015-03-antialiased-primitives ...

Conflicts:
	imgui.cpp

Examples: README

Allegro 5 example: removed public domain mark, MIT as the rest, with @bggd approval

Allegro 5 example: converted for indexed rendering.

Merge remote-tracking branch 'origin' into 2015-03-antialiased-primitives

Allegro 5 example: fixed uv coordinate of non-default texture.

Allegro 5 example: handling of hardware and software mouse cursor rendering.

Allegro 5 example: fixed key modifiers, keyboard input, clipping, added pagedown/pageup.