Use SVGTypewriter in Label.
Merge branch 'develop' into label_write

Conflicts:
	plottable.d.ts
	src/components/axes/timeAxis.ts
	test/components/categoryAxisTests.ts
Use normal cache.
Still skip test.
Merge branch 'text_library' into label_write
Update library.
Use measurer.
Skip test.
Wrong skip.
Add comments.
Update comments.
Merge pull request #1469 from palantir/label_write_2

Move Label to SVGTypewriter