Major changes include:
* The **1HAND** layer has been removed.
* A `Delete` key is now available on the right thumb cluster.
* The **ADORE** layer received a major update, see the updated layout
image.
* It is now possible to enable automatic logging for the **ADORE**
layer, by setting the `ADORE_AUTOLOG` makefile variable to `yes` when
compiling the keymap. It is off by default.
* The `~` key and the `Media Next/Prev` key have been swapped on
the **base** layer.
* On the **ARROW** layer, `Backspace` has been replaced by `Enter`.
* There is some experimental support for entering Unicode symbols.
Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>