tox: Update pylint and logilab-common.

pylint changelog:

- Support for logilab-common 1.0.0

logilab-common changelog:

- remove unused/deprecated modules: cli, contexts, corbautils, dbf, pyro_ext,
  xmlrpcutils. __pkginfo__ is no longer installed.
- major layout change
- use setuptools exclusively
- 'logilab' is now a proper namespace package
- modutils: basic support for namespace packages
- registry: ambiguous selects now raise a specific exception
- testlib: better support for non-pytest launchers
- testlib: Tags() now work with py3k

tox.ini

@@ -67,8 +67,8 @@ deps =
     -r{toxinidir}/requirements.txt
     astroid==1.3.6
     beautifulsoup4==4.3.2
-    pylint==1.4.3
-    logilab-common==0.63.2  # rq.filter: <1.0.0
+    pylint==1.4.4
+    logilab-common==1.0.0
     six==1.9.0
 commands =
     {envpython} scripts/link_pyqt.py --tox {envdir}