Update tox config to allow packaging jobs to work

Add a "venv" environment for pass-through commands like
what the packaging job uses.

Change-Id: I473d330fc7e8e149f674d21f22ccfc0e1855e88f

.gitignore

@@ -19,3 +19,8 @@ doc/_build
 d2to1-*.egg
 
 WSME.egg-info/
+
+# Files created by pbr
+AUTHORS
+ChangeLog
+pbr*.egg

doc/changes.rst

@@ -1,6 +1,12 @@
 Changes
 =======
 
+0.5b4 (2013-09-11)
+------------------
+
+Fixes some release-related files for the stackforge release process.
+No user-facing bug fixes or features over what 0.5b3 provides.
+
 0.5b3 (2013-09-04)
 ------------------
 

tox-tmpl.ini

@@ -213,3 +213,10 @@ commands=
 [testenv:pep8]
 deps = flake8
 commands = flake8 wsme wsmeext setup.py
+
+# Generic environment for running commands like packaging
+[testenv:venv]
+commands = {posargs}
+usedevelop=True
+deps=
+    pbr

tox.ini

@@ -134,6 +134,12 @@ commands =
 deps = flake8
 commands = flake8 wsme wsmeext setup.py
 
+[testenv:venv]
+commands = {posargs}
+usedevelop = True
+deps = 
+	pbr
+
 [testenv:py26-sa5-lxml-json]
 commands = 
 	{envbindir}/coverage run {envbindir}/nosetests --nologcapture --with-xunit --xunit-file nosetests-{envname}.xml wsme/tests wsmeext/tests --verbose {posargs}