dev-python/pytest-pep8: remove invalid entries from MANIFEST.in

Also RDEPEND on setuptools for entry_points support.

Bug: https://bugs.gentoo.org/606574#c2

dev-python/pytest-pep8/files/1.0.6-MANIFEST.patch

@@ -0,0 +1,9 @@
+diff --git a/MANIFEST.in b/MANIFEST.in
+--- a/MANIFEST.in
++++ b/MANIFEST.in
+@@ -4,5 +4,3 @@
+ include tox.ini
+ include LICENSE
+ include test_pep8.py
+-graft doc
+-graft test_pep8.py

dev-python/pytest-pep8/pytest-pep8-1.0.6.ebuild

@@ -18,12 +18,17 @@ KEYWORDS="~amd64 ~x86"
 IUSE=""
 
 RDEPEND="
+	dev-python/setuptools[${PYTHON_USEDEP}]
 	>=dev-python/pep8-1.3[${PYTHON_USEDEP}]
 	>=dev-python/pytest-2.4.2[${PYTHON_USEDEP}]
 	dev-python/pytest-cache[${PYTHON_USEDEP}]
 "
 DEPEND="${RDEPEND}"
 
+PATCHES=(
+	"${FILESDIR}"/1.0.6-MANIFEST.patch
+)
+
 python_test() {
 	${EPYTHON} test_pep8.py || die
 }