ImDrawList: PushTextureID(): Removed unnecessary param by reference.

Drag and Drop: BeginDragDropSource(): temporarily removed the optional mouse_button=0 parameter because it is really usable in typical conditions at the moment. (#143, #1637)

Merged a bunch of small inconsequential things from my work branch, to reduce the diff noise.

Renamed misleading ImGuiMouseCursor_Move to ImGuiMouseCursor_ResizeAll. SDL: Fixed cursor. (#1626)

Obsoleted the io.RenderDrawListsFn callback, you can call your graphics engine render function after ImGui::Render(). Use ImGui::GetDrawData() to retrieve the ImDrawData* to display..(#1599) ...

Examples: Updated examples.

ImFont: DisplayOffset.y defaults to 0 instead of +1.

Comments, moved ImFontAtlas::Flags to "public" area.

ImFontAtlas: Added ImFontAtlasFlags_NoPowerOfTwoHeight, ImFontAtlasFlags_NoMouseCursors flags. (#1613)

Fixed legacy forward function IsRootWindowOrAnyChildHovered() broken by a63fbbc

Added IsAnyMouseDown() helper. ...

Examples: DirectX9/10/11: Using IsAnyMouseDown() instead of local function.

Styles: Comments and re-ordered.

Comments

Updated version to 1.60 WIP to emphasis on the addition of required calls CreateContext/DestroyContext + merged the massive Navigation branch (#1565, #787)

Merge branch 'context' ...

# Conflicts:
#	examples/allegro5_example/main.cpp
#	examples/directx10_example/main.cpp
#	examples/directx11_example/main.cpp
#	examples/directx9_example/main.cpp
#	examples/marmalade_example/main.cpp
#	examples/opengl2_example/main.cpp
#	examples/opengl3_example/main.cpp
#	examples/sdl_opengl2_example/main.cpp
#	examples/sdl_opengl3_example/main.cpp
#	examples/vulkan_example/main.cpp

Nav: Documentation tweaks. (#787)

Nav: Keyboard is now automatically mapped based on io.KeyDown[]. (#787)

Removed comments

Added ImGuiKey_Space, mapped in every examples. Will be required for navigation. (#787)

Nav: Toward automatically mapping keyboard input. Renamed ImGuiNavInput_PadXXX to ImGuiNavInput_XXX. Renamed ImGuiNavInput_KeyXXX to ImGuiNavInput_KeyXXX_ (internal). (#787)

Nav: Comments, guides.

Merge branch 'master' into context

ImVec2: added [] operator. This is becoming desirable for some types of code, better added sooner than later.

ImVec2: added [] operator. This is becoming desirable for some types of code, better added sooner than later.

Nav: Sets io.WantCaptureKeyboard when navigation is active. This is a little agressive but probably the best default and also a good way to get feedback. Added ImGuiNavFlags_NoCaptureKeyboard to disable this behavior. Comments. (#787)

Nav: Added ImGuiWindowFlags_NoNav shortcut, comments. (#787)

Nav: Minor tidying up. (#787)

Merge branch 'master' into navigation ...

# Conflicts:
#	imgui.cpp

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

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)

Merge branch 'master' into context