Updated scm urls to proper github urls and added release plugin.
[maven-release-plugin] prepare release v1.5.2
[maven-release-plugin] prepare for next development iteration
Fixes to try and get mvn release plugin to work.
Fixes to try and get mvn release plugin to work.
Merge branch 'release/v1.5.2' into develop
Converted sqldiff to liquibase script.