Updates to POM

- Make parent plugin POM version be an LTS version.
- Remove unnecessary elements.
- Add a property for the dmclient library version.
- Override the Maven Release plugin version (to make releases easier).
Exclusion filters added to exclude paths from monitoring when polling SCM

Exclusion filters were added to exclude paths from monitoring when
polling SCM to start a build.
Merge Pull Request #4 from bkyrylo

- Added paths to exclude from monitoring.