packaging: bump version to 0.9.23, update changelog
-rw-r--r-- 74 Makefile.am
-rwxr-xr-x 200 autogen.sh
-rw-r--r-- 3986 configure.ac
drwxr-xr-x - data
drwxr-xr-x - include
drwxr-xr-x - lib
drwxr-xr-x - packaging
drwxr-xr-x - res
drwxr-xr-x - src
drwxr-xr-x - tests
drwxr-xr-x - tool