small change in release procedure in pom.xml

prepare for sql2o-1.6.0-RC2 release

[maven-release-plugin] copy for tag sql2o-parent-1.5.4

[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] copy for tag sql2o-parent-1.5.3

Now running all postgres tests with Impossibl jdbc driver as well as …

…the office postgres jdbc driver.

Closes aaberg#118

[maven-release-plugin] copy for tag sql2o-parent-1.5.2

[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] copy for tag sql2o-parent-1.5.1

[maven-release-plugin] prepare for next development iteration