Style: Added ButtonTextAlign, ImGuiStyleVar_ButtonTextAlign (#842)

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

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

Fixing minor english typos (#827)

ImFont: add RenderGlyph() to allow rendering of individual glyphs

Nav: Undo 87eb749cbc, agressively including nav focus test in IsItemHovered() (#323)

Added IsItemHoveredOrFocused() (provisional name), better handling of popup/tooltip positioning when using mouse+nav (#323)

Nav: NavHighlight gets its own color (default to Header color), made rectangle thicker (#323)

Merge remote-tracking branch 'origin' into 2016-02-colorpicker

Nav: DragBehavior: Adjust minimum step to displayed precision when using navigation (#323, #180)

Nav: Added ImGuiCol_NavWindowingHighlight into style (#323)

Nav: Comments (#323)

Merge remote-tracking branch 'origin' into 2016-07-navigation

Removed a handful of obsolete (trivial) function redirection from 1.34 and 1.38 (march-april 2015) ...

OpenNextNode() -> SetNextTreeNodeOpen()
GetWindowIsFocused() -> IsWindowFocused()
GetItemBoxMin() -> GetItemRectMin()
GetItemBoxMax() -> GetItemRectMax()
IsMouseHoveringBox() -> IsMouseHoveringRect()
IsClipped() -> !IsRectVisible()

Tweak comments (#768)

Add ability to test arbitrary rectangle for visibility without need of moving cursor.

Nav: Moving all nav inputs to io.NavInputs[] float array, new enum labelled for gamepad. (#323)

Typo in commented default-value

Merge remote-tracking branch 'origin' into 2016-07-navigation

Using ImGuiID instead of ImU32 is a few places

Nav: Not exposing ImGuiWindowFlags_NavFlattened because it requires much more work (#323)

Tidying up, removed two unnecessary window flags from being exposed in imgui.h

Nav: Added experiment ImGuiWindowFlags_NavFlattened flag to cross over between parent and non-scrolling child windows (#323)

Nav: Comment (#323)

Nav: Split _NoNav window flag into _NoNavInputs and _NoNavFocus (#323)

Nav: first committed pass for manual moving and manual scrolling (after a bunch of attempts) (#323)

Merge remote-tracking branch 'origin' into 2016-07-navigation

InputText/IO: Got rid of individual OSX options in ImGuiIO, added io.OSXBehaviors (#473, #650)

Merge branch 'add-osx-homeend-keys' of https://github.com/michaelbartnett/imgui into michaelbartnett-add-osx-homeend-keys

Navigation: Renamed ImGuiKey_NavWindowing to ImGuiKey_NavMenu (#323)