POM cleanup
Sample-Basic cleanup
Fixed various nits
Added back gwt plugin comment
Cleaned up basic-spring sample
Cleanued up the crawler-service sample.
Cleaned up pom.
Merge pull request #49 from ArcBees/cv_cleanup_crawler_service

Cleanued up the crawler-service sample.
Fixed ctor indentation
Merge pull request #48 from ArcBees/cv_cleanup_basic_spring

Cleaned up basic-spring sample
Fixed ctor indentation
Merge pull request #47 from ArcBees/cv_cleanup

POM + Basic sample cleanup