Moved first components to Engine subpackage
Moved strategy classes into engine subpackage
Moved test results class to engine suppackage
Moved TestCase to Engine subpackage
Moved TestCase tests to Engine subpackage, matching new location of TestCase
Moved TestSuite tests to Engine subpackage
Moved test result tests to location matching location of production class
Made test suite structure match package/subpackage structure
Merge pull request #102 from iain-peddie/engine-subpackage

Engine subpackage