Remove Matrix4 class
Remove Matrix4 from ionMath project
Move TestCore to UnitTests project and start ionMath unit tests

--HG--
rename : TestCore/Makefile => UnitTests/Makefile
rename : TestCore/TestCore.cpp => UnitTests/UnitTests.cpp
rename : TestCore/TestCore.vcxproj => UnitTests/UnitTests.vcxproj
rename : TestCore/TestCore.vcxproj.filters => UnitTests/UnitTests.vcxproj.filters
rename : TestCore/ionClass.cpp => UnitTests/ionCore/ionClass.cpp
rename : TestCore/ionComparison.cpp => UnitTests/ionCore/ionComparison.cpp
Move UnitTest files into parent directory (Subdirectories not worth the headache)
Fix depend makefile target to detect filenames with numbers
Fix references to TestCore