feat(Cobertura): Adds abstraction to reports

Added Cobertura report coverage
Added coverage unit, integration and overall tests
Cleaned global options
Added project options for setting paths to integration, unit and overall
coverage
Added a level of abstraction to all reports coverage/surefire
Remove JSTestDriver and JSTest surefire and coverage sensors
feat(JavaScriptSurefireSensor): rewritten
doc(*): Updated readme
Merge pull request #3 from SidhNor/feature/cobertura

Feature/cobertura
Cleaned global options scope
Abstracted report parsing