Internals: ImRect: Added IsInverted() helper.

Added assert in BeginChild(ImGuiId id).

Nav: Debugging stuff.

imgui_freetype: comments about correct blending and sRGB (#618, #578)

Removed root .gitignore. (#1594)

Merge pull request #1594 from gerryhernandez/fix-apple-example ...

Examples: Apple: Fix iOS code; fixes entire XCode build for Apple example

Fix iOS code; fixes entire XCode build for Apple example

Nav: Ensure g.NavScoringRectScreen is always finite and not inverted. (#787)

ImRect: added IsInverted() helper.

Merge branch 'master' into navigation ...

# Conflicts:
#	imgui.cpp

imgui_freetype: Documentation, tweaks. (#618)

Moved imgui_freetype from imgui_club (#618)

Style Added style.MouseCursorScale, may remove (#939).

Nav: Press Left on a child with ImGuiTreeNodeFlags_NavCloseFromChild moves you to parent node instead of closing it immediately. More standard. (#787, #1079)

Nav: TreeNode: Added ImGuiTreeNodeFlags_NavCloseFromChild flag, allow closing a TreeNode() from any of child. The explicit flag is not great, perhaps allowing some form of inheritance would help. (#787, #1079)

Nav: Revert 5c9ea4d with comments. (#787)

Natvis: Showing some flags for ImGuiWindow.

Nav: Modal windows can't be closed with Nav PadCancel. (#787)

Nav: Comments (#787)

CloseButton: Fixed cross positioning.

CloseButton: Fixed cross positioning.

Nav: When focusing a parent window while closing a popup, hide its highlight for one frame to avoid potential double highlight and flicker with the common pattern of menu items leading to the opening other windows. (#787)

Nav: Fixed Selectable/MenuItem Nav Highlight from using rounding when outer highlight stays square. (#787)

Nav: CloseButton reacts when clipped. (#787)

Nav: Fixed press Left on sub-menu when parent wasn't a menu - we were just checking at the wrong level. (#787)

Nav: Child window is restored on focus follow up. Fix bdd8687. (#787, ~#727) One visible issue was pressing Left to leave a child menu.

Metrics: Displaying some of the important internal window flags.

Merge branch 'master' into navigation

Internals: Renamed CloseInactivePopups() to a better ClosePopupsOverWindow(). Exposed in imgui_internal.h

Nav: Using CTRL+TAB / PadFocusNext/Prev to Focus a window closes the previous window popups. (#787)