Distribute config.h.cmakein as well

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Distribute and install README.md and NEWS.md

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Clean dolt files as well in `make distclean`

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
More specific dist inclusion

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Distribute gypi files with tarballs

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
NEWS: update

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Bump to 2.0.2

Signed-off-by: Timothy Gu <timothygu99@gmail.com>