dev-python/django-tagging: bump to 0.4.6, add doc, fix deps

Also add GitHub upstream to metadata.xml.

Package-Manager: Portage-2.3.38, Repoman-2.3.9

dev-python/django-tagging/Manifest

@@ -1 +1,2 @@
 DIST django-tagging-0.4.1.tar.gz 44260 BLAKE2B 44d39d44892fa86ebc4ea185fb53696be772738a60a29d121d883ed3f123914a4621701c2a1efc4b0e309cd02ad0f7d28fb468eeff15c1b147724e8f9dc36e9b SHA512 6f6899084fd5067ec2e49649bba4aad225ed738f39f999b7ea5156d38fa28c272d4a1f688d4de712db15fe8f2c2ecfd4532eb6e9c0c1de6dd530c09d7d767a26
+DIST django-tagging-0.4.6.tar.gz 45228 BLAKE2B 77ed033ad61d227f8fea9e794b888da5d3a81474330d56bbbbcb1ce457ecac27d9615decadaece3c8b8fd2864c53342b795e8a76528c42609b928624609ccabe SHA512 75abf4b57df52393c8eb1ea265344c90c48b4225151076ce874b2e43657dd6cf4fffa1149acc2e118d58e3701d18103a362f658ce5114d7f207a33e7f4903b38

dev-python/django-tagging/django-tagging-0.4.6.ebuild

@@ -0,0 +1,36 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
+
+inherit distutils-r1
+
+DESCRIPTION="Generic tagging application for Django"
+HOMEPAGE="https://pypi.org/project/django-tagging/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="doc"
+
+RDEPEND=">=dev-python/django-1.0[${PYTHON_USEDEP}]"
+DEPEND="
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	doc? (
+		dev-python/sphinx[${PYTHON_USEDEP}]
+	)
+"
+
+python_prepare_all() {
+	sed -i "/sphinx.ext.intersphinx/d" docs/conf.py || die
+	distutils-r1_python_prepare_all
+}
+
+python_compile_all() {
+	if use doc; then
+		sphinx-build docs docs/_build/html || die
+		HTML_DOCS=( docs/_build/html/. )
+	fi
+}

dev-python/django-tagging/metadata.xml

@@ -7,5 +7,6 @@
   </maintainer>
   <upstream>
     <remote-id type="pypi">django-tagging</remote-id>
+    <remote-id type="github">Fantomas42/django-tagging</remote-id>
   </upstream>
 </pkgmetadata>