Renamed Utilities.h with celero-utilities.h.
Renamed Celero.h to celero.h.
Renamed TestFixture.h with celero-test_fixture.h.
Renamed BenchmarkInfo.h to celero-benchmark_info.h.
Renamed Console.h with celero-console.h and move to internal.
Renamed Print.h with celero-print.h and moved to internal.
Renamed Factory.h to celero-factory.h.
Renamed GenericFactory.h to celero-generic_factory.h, Export.h to
celero-export.h, Factory.h to celero-factory.h.
Rename Timer.h to celero-timer.h.
Renamed ResultTable.h to celero-result_table.h.
Renamed JUnit.h to celero-junit.h.
Renamed Executor.h to celero-executor.h.