1.3.0

f2e9335 Don't invalidate layout when specifying hyphenationFrequency on older APIs
dc96fcc Use AOSP builder for M+
12c833c Add Justification Mode Support
9300222 added support for letter spacing
23d32ad Let there be Apache-2
611dc1b Catch NPE from Samsung devices < M when checking if layout is boring
c4cd195 Make build() nullable
836c6ab Remove TextLayoutPaint and move hashing to Params
b73c7c0 Refactor paint
2afb1a5 Support specifying more attributes in XML
16cdb97 Fix hashCode calculations