Support MySQL 5.6 (date with milliseconds)
fixes gt#14 gt#8 gt#12 gt#16
[maven-release-plugin] prepare release 3.30.8
[maven-release-plugin] prepare for next development iteration
fixes gt#12 gt#15
update maven-release-plugin
[maven-release-plugin] prepare release 3.30.9
[maven-release-plugin] rollback the release of 3.30.9
[maven-release-plugin] prepare release 3.30.9
[maven-release-plugin] rollback the release of 3.30.9
[maven-release-plugin] prepare release 3.30.9
[maven-release-plugin] prepare for next development iteration