Connection profiles related fails fixed in Hibernate tests
Hibernate default embedded RedDeer configuration added
Unify the use of swtbot.test.skip

The property swtbot.test.skip is set in the jbt parent pom.
in the past most, but not all, tests used it to configure
<skip> for tycho-surefire-plugin. Now I moved this config to
tests/pom.xml so that it's consistently used everywhere.
At the same time, I changed maven-download-plugin definitions
to download-maven-plugin where applicable - this is the new artifactID.
And I set up the skip there as well. Same for maven-dependency-plugin.