Adding some perf tests
Merge branch 'v2-restructured' of https://github.com/OpenF2/F2 into v2-restructured

Conflicts:
	build/f2.js
	build/f2.min.js
	build/f2.min.map
	src/schemas.js
Fixed some tests about loading.
fixing the duplicate test dispose.
Adding the remaining core perf tests.
Finishing up the last of the core perf tests.