* Create LICENSE
Let's add the license file so that GitHub officially registers it and displays it next to the project.
* move license files
* update licenses in cmakelists.txt
* fix link in README
It's no longer possible to cycle to widgets that aren't part of the current modal window.
The window manager will remember the focused widget of a modal window on a limited basis (it'll be discarded when a different modal window opens).
(Shift)Tab cycles, arrow keys move to the next button in that direction, Enter/Space accepts.
Note: Unless MyGUI is hacked to bits, clicking on an empty space will annoyingly reset the key focus. Not sure how to deal with that yet.
The visual highlight for selected buttons requires MyGUI commit 632d007429d0bf0c7d7f6c5db4a08353a63dd839 or later to appear (to be released in 3.2.3).
After MyGUI commit cfdaf5f , the 'Client' area will be used for every type of widget, whereas previously it would only be used for some widgets like 'Window'. Use 'Window' widget where the client was always used.
This fixes a wrong margin when built with cfdaf5f or later.
Using a normal widget as a spacer with HStretch/VStretch may not work properly because for widgets not derived from AutoSizedWidget, the HBox/VBox treat the widget's current size as the requested minimum size. This leads the layout to break when resized more than once.
The new class sets HStretch and VStretch to true by default to save some typing.