Fix from incorrect change left-over in a31e44b

Example code: warning fix + comments.

Merge pull request #92 from memononen/master ...

Smoother mouse wheel scrolling

Fixed Clang -Weverything warnings + TODO list entries

Smoother scrolling ...

- changed IO.MouseWheel to float, allows smoother scrolling

Remove unneeded extra parameter from ImFont::FindGlyph()

Moved IO.Font*** options to inside the IO.Font-> structure.. Added IO.FontGlobalScale setting (vs Font->Scale)

Grammar fix + ocd alignment

New version of IMGUI_ONCE_UPON_A_FRAME helper macro

Renamed ImBitmapFont -> ImFont, removed abstraction-pretend typedef

Removed IMGUI_ONCE_UPON_A_FRAME in favor of ImGuiOnceUponAFrame which is supported by all compilers

InputText support for completion/history/custom callback + added fancy completion example in the console demo app ...

Unfortunately quite messy because of the UTF-8 <> wchar confusion going
around. Not well tested for UTF-8 compliance with non-Ascii characters.

Added ImGuiWindowFlags_AlwaysAutoResize + example app. Calling SetWindowSize(0,0) force an autofit without zero-sizing first.

Version number

PushStyleColor/PushStyleVar can be used outside the scope of a window. Added 'count' parameter to PopStyleColor/PopStyleVar

Fixed Tab > space

Fixed compatibility with std::vector if user decide to #define ImVector

More fixes for ultra pedantic Clang -Weverything

Fixed more Clang warnings

Default 'text_end' parameter for low-level AddText/CalcTextSizeA functions

Added IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT

PushTextWrapPos() defaults to 0.0

Version number

Added PushStyleVar(),PopStyleVar() helpers. ...

BeginChild() allows to specify negative sizes to specify "use remaining minus xx".
Added a simple example console into the demo window.

Renamed IsHovered() to IsItemHovered()

Added dummy IMGUI_API definition in front of entry-points for silly DLL action

Added GetContentRegionMax() supporting columns. Some bug fixes with using columns.

Added word-wrapping API TextWrapped(), PushTextWrapPos(), PopTextWrapPos() ...

Added word-wrapping sample in the test window.
Added IsItemFocused() to tell if last widget is being focused for keyboard input.

Made with the NoResize flag can still use auto-fitting. Added SetWindowSize().

Minor tweaks