NotoSansDevanagari-v2.005

Noto Sans Devanagari v2.005

This release:

* Adds a number of new Unicode characters
* Cleans up the OpenType code
* Encodes a number of vedic signs (#39)
* Removes the semibold master
* Fixes a bug in kerning between z-dda
* Fixes a number of fontbakery fails
* Improves support for the Santali language (#36)
* Fixes a clash between nukta and lower vowel signs (#35)