Code review:

	- POM's review
	- JUnit updated from 3.8.1 to 4.11
	- Log4j updated from 1.2.12 to version 1.2.17
	- Pluging maven-checkstyle-plugin updated from 2.8 to 2.10
	- Pluging maven-assembly-plugin updated from 2.2-beta-3 to 2.4
	- Pluging jcl-core updated from updated from 2.2.2 to 2.4
	- Pluging xmlbeans updated from 2.5 to 2.6
	- Cleanup on file .gitignore 
	- Unuse modules removed
	- Module AMI(experimental) removed