Multiple class dirs support for coverage APIs

[andre15silva]

Closes #103

[coveralls]

Pull Request Test Coverage Report for Build 1033821511

• 118 of 152 (77.63%) changed or added relevant lines in 20 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.3%) to 45.171%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/main/java/eu/stamp_project/testrunner/listener/impl/CoverageCollectorDetailed.java	0	2	0.0%
src/main/java/eu/stamp_project/testrunner/runner/ParserOptions.java	6	8	75.0%
src/main/java/eu/stamp_project/testrunner/runner/coverage/JacocoRunnerCoveredResultPerTestMethod.java	5	7	71.43%
src/main/java/eu/stamp_project/testrunner/runner/coverage/JacocoRunnerPerTestMethod.java	5	7	71.43%
src/main/java/eu/stamp_project/testrunner/listener/junit4/CoveredTestResultsPerJUnit4TestMethod.java	4	7	57.14%
src/main/java/eu/stamp_project/testrunner/runner/coverage/JUnit4JacocoRunner.java	8	11	72.73%
src/main/java/eu/stamp_project/testrunner/runner/coverage/JUnit5JacocoRunner.java	8	11	72.73%
src/main/java/eu/stamp_project/testrunner/listener/junit5/CoveragePerJUnit5TestMethod.java	0	4	0.0%
src/main/java/eu/stamp_project/testrunner/runner/coverage/JUnit5JacocoRunnerPerTestMethod.java	0	5	0.0%
src/main/java/eu/stamp_project/testrunner/runner/coverage/JacocoRunner.java	33	41	80.49%
<!--	Total:	118	152	77.63%	-->

Totals
Change from base Build 1033756460:	1.3%
Covered Lines:	1057
Relevant Lines:	2340

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💛 - Coveralls

[andre15silva]

Also removed the a run method that was used in flacoco, but not elsewhere. Since we now use the EntryPoint, as we should, it is no longer required.

[andre15silva]

Rebased after #105 merge.