Add XML reporter and approval tests #364

Job	Run time
Ubuntu GCC Release	2m 48s
Ubuntu GCC Debug	1m 33s
Ubuntu GCC noexcept Release	1m 37s
Ubuntu GCC noexcept Debug	1m 11s
Ubuntu GCC notime Release	1m 49s
Ubuntu GCC notime Debug	1m 7s
Ubuntu GCC nounity Release	2m 5s
Ubuntu GCC nounity Debug	1m 49s
Ubuntu Clang Release	1m 43s
Ubuntu Clang Debug	1m 14s
Ubuntu Clang noexcept Release	1m 31s
Ubuntu Clang noexcept Debug	1m 13s
Windows 32 Release	5m 11s
Windows 32 Debug	2m 24s
Windows 64 Release	5m 10s
Windows 64 Debug	2m 28s
Windows 64 noexcept Release	5m 6s
Windows 64 noexcept Debug	3m 16s
MacOS Release	2m 49s
MacOS Debug	1m 47s
MacOS noexcept Release	2m 9s
MacOS noexcept Debug	1m 20s
WebAssembly Release	4m 53s
WebAssembly Debug	2m 0s
WebAssembly noexcept Release	2m 16s
WebAssembly noexcept Debug	1m 33s
	1h 2m 2s

Provide feedback