* Unset executable bit from XML and images

I'm not an expert, but those XMLs do not look like any kind of
normally executable scripts. And even if they were -- XML syntax does
not allow shebangs, as far as standard[1] is concerned.

[1]: https://www.w3.org/TR/2008/REC-xml-20081126/#NT-document

* Drop unused global var WINEASIO_PREFIX

It was mis-formatted anyway. Looks like a
copy-paste from wineasio which is broken in the
exact same way[1].

[1] 638ce56a7f/gui/settings.py (L41)

* Unset executable bit

Unset executable bit from all python sources upon installation

Dash after number provides visual clarity,
and .sh suffix helps text editors with file
extension-based syntax highlighting engines.

FR menu item translation

FR menu item translation

FR menu item translation

FR menu item translation

FR menu item translation

This fixes issues with cadence in debian distros,
after being removed the /etc files still remain leaving *_PATH empty

KDE + 14.04 it's the only one with the issue, all other distros  are fine