tests/bzr-definitions

makefile: remove Ubuntu Yakkety and Zesty docker targets

Yakkety (16.10) was supported until 2017-07-20 and Zesty (17.04) was supported
until 2018-01-13.

# this file holds the definitions that are used in various bzr tests

TERM=dumb; export TERM
echo '[extensions]' >> $HGRCPATH
echo 'convert = ' >> $HGRCPATH

glog()
{
    hg log -G --template '{rev}@{branch} "{desc|firstline}" files: {files}\n' "$@"
}

manifest()
{
    echo "% manifest of $2"
    hg -R $1 manifest -v -r $2
}