Update packages to be built with xbps-src/testing.
Merge branch 'master' into testing
perl-HTML-Parser: move perl-HTML-Tagset dependency to fulldepends (issue #58).
cyrus-sasl; update to 2.1.25 (issue #57).
ncurses: convert to the new template format.
readline: convert to the new template format.
which: convert to the new template format.
which: s/do_install/pkg_install/
lua: convert to the new template format.
cairo: convert to the new template format.
cairo: tyop fix.
Update for new vmove() behaviour.
gcc: convert to the new template format.
pcre: convert to the new template format.
zlib: convert to the new template format.
gdbm: convert to the new template format.
db: convert to the new template format.
bzip2: convert to the new template format.
less: convert to the new template format.
autoconf: convert to the new template format.