unified package name to 'gradle-ci'
renamed showResults, removed unnecessary code
added full lifecycle-support, moved data-responsibility to the status-view, fixed zero-result-appearance
added header-section to the results-group-view
fixed result-update-issue, implemented config.maximumResultHistory
fixed stylesheet, changed order of results
prettyfied styles
prettyfied source to satisfy coffelint
fixed missed references to object-state
reformatted code, improved null-checks