- No need to build manually the olm python 3 bindings, pip does it
- make clean in mirage dir if possible, since having build/ files from a
compiling that happened from another distro can make the process fail
- Save linuxdeployqt and appimagetools outside of the mirage repo
- Lint the AppDir with the script from pkg2appimage
- From python, restore LD_LIBRARY_PATH, PYTHONHOME and PYTHONUSERBASE to
their original values. The AppRun laucher overwrites them to properly
launch the program, but it affects external programs too launched e.g.
when user clicks a link.
