Third release

• Add autobuild with AppVeyor
• Add BGFX sample
• Add class ImwMenu and remove OnMenu from ImwWindow
• Add Toolbar system and class ImwToolbar
• Add OnContextMenu virtual function for ImwWindow
• Add ability to inherited ImwWindow
• Add customization of tabs rendering
• Add ability to focus an ImwWindow
• Add ability to save/load layout (but need to implement an instantiation of ImwWindow by classnames)
• Add simple Json support for layout serialization
• Update ImGui to 1.49
• Change : Split Paint and Render in two step
• Some fixes

Second Release

• Many improves
• Add SFF (one config file, one header file and one source file) like STB or ImGui.

First usable release

Include Demo DirectX 11 32 bits demo