v0.4.0-5

Created new package builds for Ubuntu 22.04

v0.4.0-4

Renamed subdirectories to match package names

v0.4.0-3

Revert "Recompiled .a libraries to use PIC (position-independent code)"

This reverts commit 2398661b4e6fa985c9e1e5d311ef09e5157e03ee.

The static build is not required now we're not building wheels (see comment on
the static-build tag of the ringing-lib-python repository).

This change requires a new package version number (0.4.0-3).

v0.4.0-2

Small improvements to build system

v0.4.0-1

Added copyright notice to copyright file