textproc/py-alabaster: Update to 0.7.12

- Fix LICENSE
- Add LICENSE_FILE
- Update pkg-descr
- Take maintainership

Changes:	https://github.com/bitprophet/alabaster/blob/master/docs/changelog.rst

textproc/py-alabaster/Makefile

@@ -1,16 +1,18 @@
 PORTNAME=	alabaster
-PORTVERSION=	0.7.6
+PORTVERSION=	0.7.12
 CATEGORIES=	textproc python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Modified Kr Sphinx theme
 
-LICENSE=	MIT
+LICENSE=	BSD3CLAUSE
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
+USES=		python:3.6+
+USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
-USES=		python:3.6+
-USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>

textproc/py-alabaster/distinfo

@@ -1,2 +1,3 @@
-SHA256 (alabaster-0.7.6.tar.gz) = 309d33e0282c8209f792f3527f41ec04e508ff837c61fc1906dde988a256deeb
-SIZE (alabaster-0.7.6.tar.gz) = 16598
+TIMESTAMP = 1620151078
+SHA256 (alabaster-0.7.12.tar.gz) = a661d72d58e6ea8a57f7a86e37d86716863ee5e92788398526d58b26a4e4dc02
+SIZE (alabaster-0.7.12.tar.gz) = 11242

textproc/py-alabaster/pkg-descr

@@ -1,4 +1,4 @@
-Based off the original Flask and KR themes, this is a more
-extensible version of the prior.
+Alabaster is a visually (c)lean, responsive, configurable theme for the Sphinx
+documentation system.
 
 WWW: https://github.com/bitprophet/alabaster