initial changes to migrate to junit4
add surefire-junit4 dependency to maven surefire plugin
fix file not found issues in tests due to capitalization mismatch - note: need to get a case sensitive file system
add missing static modifier to @Parameterized.Parameters method
test cleanup
simplify parameterized tests configuration
remove unused code as a result of the junit 4 migration and its build-in capability of parametrized tests
Merge pull request #24 from federecio/develop

migration to JUnit 4 - test cleanup