[NX-603] replace litmus-testsupport with goodies-testsupport
[NX-603] drop DM for litmus-testsupport
NX-485: replace legacy plugin-repository with Karaf system repository
Pax-Logging 1.7.3 has been released
Update siesta to 2.0.1
Update HTH to 0.9
Update sisu-mailer to 1.9
Merge pull request #642 from sonatype/NX-603-goodies-testsupport

REVIEW: [NX-603] goodies testsupport
Merge branch 'master' into NX-525-shared-database-support