Merge branch 'master' into core-updates

gnu: tdb: Update to 1.3.14.

* gnu/packages/databases.scm (tdb): Update to 1.3.14.

Merge branch 'master' into core-updates

gnu: mysql: Update to 5.7.19.

* gnu/packages/databases.scm (mysql): Update to 5.7.19.

Merge branch 'master' into core-updates

gnu: perl-dbd-mysql: Update to 4.043.

* gnu/packages/databases.scm (perl-dbd-mysql): Update to 4.043.

gnu: mariadb: Update to 10.1.25.

* gnu/packages/databases.scm (mariadb): Update to 10.1.25.

Merge branch 'master' into core-updates

gnu: Add python-lmdb.

* gnu/packages/databases.scm (python-lmdb, python2-lmdb): New variables.

gnu: lmdb: Expand description.

* gnu/packages/databases.scm (lmdb)[synopsis]: Capitalise.
[description]: Elaborate.

Merge branch 'master' into core-updates

gnu: kyotocabinet: Disable CPU optimizations.

* gnu/packages/databases.scm (kyotocabinet)<#:configure-flags>: Add "--disable-opt".

gnu: lmdb: Update to 0.9.21.

* gnu/packages/databases.scm (lmdb): Update to 0.9.21.

gnu: postgresql: Enable contributed extensions.

* gnu/packages/databases.scm (postgresql)[arguments]: Add "build-contrib",
"install-contrib" phases.  Add configure-flags.
[inputs]: Add libuuid.

gnu: sqlite: Update to 3.19.3.

This update addresses an important bug present since 3.16.0 that can cause
database corruption when auto_vacuum is enabled:

https://www.sqlite.org/src/info/fda22108

* gnu/packages/databases.scm (sqlite): Update to 3.19.3.

Merge branch 'master' into core-updates

 Conflicts:
	gnu/packages/image.scm
        (incorporated libtiff graft)

gnu: mariadb: Update to 10.1.24.

Release notes: https://mariadb.com/kb/en/mariadb/mariadb-10124-release-notes/

* gnu/packages/databases.scm (mariadb): Update to 10.1.24.

gnu: sqlite: Update to 3.19.2.

* gnu/packages/databases.scm (sqlite): Update to 3.19.2.

Merge branch 'master' into core-updates

gnu: sqlite: Update to 3.19.0.

* gnu/packages/databases.scm (sqlite): Update to 3.19.0.