GitLab

Put it in new top-level "Maemo" category, along
with the Maemo device configurations.

Reviewed-by: kh1

Add a tooltip for disabled toolchains in the selector dialog.

Delay the setup of the UI until the Debug mode is activated. This is
required by the Debugger now setting up most of it's UI in
extensionsInitialized ...

Don't mark plugin as experimental. Probably got introduced by some
merge.

For larger projects, it doesn't make much sense without mentioning
the respective project file.