Merge pull request #279 from crawljax/clean-up

Reduce coupling
Updated the changelog
Updated the pom to adopt maven release profile for all tests
Updated the pom to adopt maven release profile for all tests
[maven-release-plugin] prepare release crawljax-parent-pom-3.1
[maven-release-plugin] prepare for next development iteration
Fixed the tagname format
Updated the changelog
Removed unused Proxy plugin