Unset executable bits & remove !#shebang (#306)
* 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 is concerned.
* 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.
* Unset executable bit
Unset executable bit from all python sources upon installation