Merge pull request #65 from jmrozanec/master

Update tests to more recent JUnit
Migrate Cobertura off log4j and to slf4j.
Merge pull request #71 from triceo/logging

Migrate Cobertura off log4j and to slf4j.
Delete .travis.yml

Deleting the travis.yml file since we're using cloudbees for our continuous integration.
Refactor task to check coverage rates
Refactor task to add merge functionality into Cobertura DSL
Remove CMDParams class, since is not used
Minor change not to depend on hardcoded strings
Rename Main classes to more meaningful names
Minor edits on README file
Fix failing tests