Removed unused post package
XD-1509 Exclude projects for maven publish

- Exclude modules and all the hadoop distro subprojects
  - disable maven plugin `install` task

- For `modules` project, make sure the build and lib directories
aren't included as part of the modules' files bundle
XD-1949 - Ensure DSM Matrix is diagonal

* Move ContainerAttributes from xd.dirt.container to xd.dirt.cluster
Changing default port from 9102 to 9101

The default port for hsqldb is 9101, the jdbc URL reflects this correctly, but the hsql section shows 9102, making the changes to be consistent.