Comments to clarify default shared ImFontAtlas and current context pointer thread-safety (#586, #591)

Merge branch 'master' of https://github.com/ocornut/imgui

Minor warnings fixes.

Merge pull request #639 from sergof/conversion-warnings ...

Ignore various anal GCC warnings.

Renamed ImGuiState -> ImGuiContext (#586, #269)

Added CreateContext/DestroyContext/GetCurrentContext/SetCurrentContext() (#586, #269)

Ignore implicit conversion warnings

ImGuiStorage: Added bool helper functions for completeness.

Reorganised windows moving code, documented a lag in FindHoveredWindow(), fixing lag whole moving windows (#635)

Updated FAQ and Readme with more prominent info about WantCaptureMouse etc. flags (#635)

Fixed/silenced various absurd GCC warnings from outer space (#626)

Fixed various Clang -Weverything warnings (#626)

Updated FAQ (#628)

BeginGroup() fixed using within Columns set (fix #630)

Fonts readme, refering to IconFontCppHeaders, AddRemapChar() function, etc.

Renamed majority of use of "opened" to "open" for clarity. Renamed SetNextTreeNodeOpened() to SetNextTreeNodeOpen(). (#625, #579)

Fix typo in Programmer guide

Style: Changed default IndentSpacing from 22 to 21 (#581, #324)

Added GetTreeNodeToLabelSpacing() helper - tentative name (#581, #324)

TreeNode: minor tidying up (#581, #324)

TreeNode: added ImGuiTreeNodeFlags_AlwaysOpen flag (#581, #324)

Internal RenderBullet() helper.

TreeNode: added ImGuiTreeNodeFlags_OpenOnArrow flag (#581, #324, #190)

Bullet(), BulletText(): slightly bigger. less polygons

ButtonBehavior(): ImGuiButtonFlags_PressedOnDoubleClick clears active id on double-click so that multiple flags don't trigger multiple times

Added ImGuiTreeNodeFlags_OpenOnDoubleClick (#581, #516, #190)

Added TreeNodeEx() functions (#581, #600, #190)

Refactor ButtonBehavior(), fixed double-click mode also triggering on single-click (relate to #516)

Added IsItemClicked() helper (#581)

TreeNodeEx() wired the display-side ImGuiTreeNodeFlags_Selected flag (#581)