Separator: Fixed zero-height bounding box resulting in clipping when at top of clipping rectangle (#860)

Removed left-over empty op

Added ImGuiCorner enum to clarify some internal code

Removed the inconsistent shadow under RenderCollapseTriangle() (~#707)

Fixed not using IM_ARRAYSIZE() where appropriate

Plot: Fixed calling with values_count == 0

FAQ clarified the ClipRect entry a little

Minor tweaks

Minor tidying up following merge BGRA color PR (#844)

Merge branch '2016-08-use_bgra_colors' of https://github.com/thedmd/imgui into thedmd-2016-08-use_bgra_colors

EndGroup(): Made IsItemHovered() work when an item was activated within the group (#849) (loosely follows #840)

Apply Omar feedback and convert remaining 0xAABBGGRR's into IM_COL32(RR,GG,BB,AA) format.

Introduce IMGUI_USE_BGRA_PACKED_COLOR in imconfig.h. ...

When IMGUI_USE_BGRA_PACKED_COLOR is defined packed color hold in ImU32 use BGRA format instead RGBA.

Fixed IsItemActive() lagging by one frame on initial widget activation (#840)

Fix using IsItemActive() after EndGroup() or any widget using groups (#840, #479)

Style: Added ButtonTextAlign, ImGuiStyleVar_ButtonTextAlign (#842)

Refactor text alignment options to use ImVec2, removed ImGuiAlign (#842, #222)

Internal RenderTextClipped() merged optional/rate clip_min* clip_max* into clip_rect*

Comment

Tidying up PushStyleVar/PopStyleVar() a little more (#842)

Refactor PushStyleVar/PopStyleVar so it is constant time + can receive integers (yet unused) (#842)

Shutdown() clear out some remaining pointers (#836)

Metrics: Displaying window position + moving extraneous line in IsPopupOpen().

Fixed EndGroup() not restoring offset properly. breaking SameLine() offset (caused by 954c890) (#829)

Fixing minor english typos (#827)

TODO list

Fixed assert triggering when a window has zero rendering but has a callback (#810)

Examples: Renaming opengl_example/ to opengl2_example/ for clarity (1/2 because git)

ImFormatString() Fixed an overflow handling bug with implementation of vsnprintf() that do not return -1 (#793)

Minor shuffle to ease merging branches. (tentative. fugly but those fields will be removed anyway)