- Added "linker_pie_flag.patch" in order to link with "-pie".
Replaces previous "fix-pie-warning.patch".
- "project_certs_fallback.patch" renamed to "certs_fallback.patch".
Modified and adapted to Godot source code changes.
- bash completion files "godot", "godot-headless", "godot-runner"
and "godot-server" added.
- Location of documentation in man page adjusted.
- godot-rpmlintrc deleted with filter "no-manual-page-for-binary"
because this warning doesn't seems to be thrown anymore.
- Build option "faster_build" introduced to speed up build
during tests.

- Removed patch "fix-pie-warning.patch"