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.
Added GetContentRegionMax() supporting columns. Some bug fixes with using columns.
Added dummy IMGUI_API definition in front of entry-points for silly DLL action
Renamed IsHovered() to IsItemHovered()
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.
Version number
Merge remote-tracking branch 'upstream/master'

Conflicts:
	imgui.h