add assignment 5 base files
add all dependencies and example code to test
reformat test file
implement DataStructureTester::AddRandom
remove RedBlackTree tester from main
implement and test DataStructureTester::DoSequentialAdd
refactor AddRandom to DoRandomAdd
implement DataStructureTester::DoSequentialRemove
print results from DoSequentialRemove
implement DataStructureTester::DoSequentialFind and
DataStructureTester::TotalTime
add define guards to DataStructureTester.h
write structure for testing program
refactor TESTS to TESTS_TO_RUN
remove individual structure methods