dev-python/*: Restore keywords and un-revbump for py3.5

Restore keywords that were removed unnecessarily, and collapse
unnecessary revbumps on packages with added python3.5 support.

dev-python/traceback2/traceback2-1.4.0-r1.ebuild

@@ -1,24 +0,0 @@
-# Copyright 1999-2015 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Id$
-
-EAPI=5
-
-PYTHON_COMPAT=( python2_7 python3_{3,4,5} pypy pypy3 )
-
-inherit distutils-r1
-
-DESCRIPTION="Backports of the traceback module"
-HOMEPAGE="https://github.com/testing-cabal/traceback2"
-SRC_URI="mirror://pypi/${P:0:1}/${PN}/${P}.tar.gz"
-
-LICENSE="PSF-2"
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE=""
-
-DEPEND="
-	dev-python/setuptools[${PYTHON_USEDEP}]
-	dev-python/pbr[${PYTHON_USEDEP}]
-"
-RDEPEND="dev-python/linecache2[${PYTHON_USEDEP}]"

dev-python/traceback2/traceback2-1.4.0.ebuild

@@ -4,7 +4,7 @@
 
 EAPI=5
 
-PYTHON_COMPAT=( python2_7 python3_{3,4} pypy pypy3 )
+PYTHON_COMPAT=( python2_7 python3_{3,4,5} pypy pypy3 )
 
 inherit distutils-r1