SDL example: hasty readme.

Merge branch '2015-03-antialiased-primitives' of https://github.com/ocornut/imgui into 2015-03-antialiased-primitives

SDL example: update for indexed rendering.

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

Merge pull request #264 from joeld42/antialias-ios-fix ...

AA branch: iOS Example: update for API changes and index rendering

SDL example: more cleanup to match other examples (#233 #226)

SDL example: further cleanup to match other examples (#233 #226)

SDL example: moved event loop to main.cpp , adding page up/page down. (#226)

Simplified to not combine vert buffers like the opengl3 example

SDL example: renamed folder, added in README

SDL example: tweaks and fixes.

Merge branch 'SampleSDL2' of https://github.com/CedricGuillemet/imgui into CedricGuillemet-SampleSDL2

Examples: OpenGL3: simplified code. Upload each vertex array separately. (cf #264)

Update ios example for API changes and index rendering

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

iOS Example: Optimise PNG files size

iOS example: shallow tweaks and fixes (untested)

iOS example working based on modified OpenGL3 example + Synergy

AA branch: Agressively renamed all fields of ImDrawList, ImDrawCmd, ImDrawData to match the rest of our coding convention (#133)

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

Conflicts:
	examples/directx11_example/imgui_impl_dx11.cpp
	examples/directx9_example/imgui_impl_dx9.cpp
	examples/opengl3_example/imgui_impl_glfw_gl3.cpp
	examples/opengl_example/imgui_impl_glfw.cpp
	imgui.cpp

Removed the majority of size_t from the code. ImVector<> now uses int. (#262) ...

May trigger new compilation warnings?

AA branch: ImDrawList: rename commands to cmd_buffer ...

Not strictly necessary but while we're doing minor breakage let's do
them at all once.

AA branch: ImDrawCmd idx_count -> elem_count

AA branch: io.RenderDrawListsFn signature changed to take ImDrawData, neater and future proof breaking of the render API (#133 #254)

Examples: DirectX9: fixed size passed to vertex and index buffer Lock() + readjust default buffer sizes.

AA branch: fixed warning

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

Conflicts:
	examples/opengl_example/imgui_impl_glfw.cpp

Fixed warnings for more pedantic settings (#258)

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

Added ImGuiKey_PageUp, ImGuiKey_PageDown for user.