add release notes for v4.5.1

makefile: delete test.{config_parser,commands_parser} in distclean

update debian packaging for 4.4

fix make clean targets

debian: install the RELEASE-NOTES as upstream changelog for now

add release notes for 4.1.2

debian: re-add build-indep/build-arch targets to debian/rules

update debian/patches

bump version number in man/asciidoc.conf

make dist: include i3bar, pre-generate its manpage