Remove unnecessary constraints

See merge request !17

* Build-Depends: Drop versioned constraint on libcmocka-dev and liblmdb-dev.
* libldb2: Drop versioned constraint on ldb-tools, python-samba, samba, samba-dsdb-modules, samba-libs and samba-testsuite in Breaks.

Changes-By: deb-scrub-obsolete

Update to upstream version '2.2.3'
with Debian dir 5d97c783d217e3ffd5d1ff68f17a01c1d1cbe22f

Update to upstream version '2.2.2'
with Debian dir 84abc7cf05df6009a06e16c56e0fe0f86bef123e

Fix some issues reported by lintian

See merge request !16

Changes-By: lintian-brush
Fixes: lintian: debian-rules-uses-as-needed-linker-flag
See-also: https://lintian.debian.org/tags/debian-rules-uses-as-needed-linker-flag.html

Changes-By: lintian-brush
Fixes: lintian: out-of-date-standards-version
See-also: https://lintian.debian.org/tags/out-of-date-standards-version.html

Update to upstream version '2.2.0'
with Debian dir da49279789efa085d2353902afd3c94a629017a6

Changes-By: lintian-brush
Fixes: lintian: older-debian-watch-file-standard
See-also: https://lintian.debian.org/tags/older-debian-watch-file-standard.html

Fix FTBFS

Update to upstream version '2.1.4'
with Debian dir 93358b94a6ab567a2fac8bc63d4e8b090d1d4611

Fix FTBFS