Add .gitreview, update tox.ini, update readme.

Change-Id: I93382fe053be5c266173f2be9c013baba4a6ee66

.gitreview

@@ -0,0 +1,4 @@
+[gerrit]
+host=review.openstack.org
+port=29418
+project=openstack/charm-interface-hacluster

README.md

@@ -11,7 +11,7 @@ The interface layer will set the following reactive states, as appropriate:
 
   * `{relation_name}.connected` The relation is established and ready for
     the local charm to configure the hacluster subordinate charm. The
-    configuration of the resources to managed for the hacluster charm
+    configuration of the resources to manage for the hacluster charm
     can be managed via one of the following methods:
 
     * `manage_resources` method

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = lint,py27
+envlist = pep8,py27
 skipsdist = True
 
 [testenv]
@@ -12,8 +12,22 @@ commands = ostestr {posargs}
 [testenv:py27]
 basepython = python2.7
 deps = -r{toxinidir}/test-requirements.txt
+# TODO: Need to write unit tests then remove the following command.
+commands = /bin/true  
 
-[testenv:lint]
+[testenv:py34]
+basepython = python3.4
+deps = -r{toxinidir}/test-requirements.txt
+# TODO: Need to write unit tests then remove the following command.
+commands = /bin/true
+
+[testenv:py35]
+basepython = python3.5
+deps = -r{toxinidir}/test-requirements.txt
+# TODO: Need to write unit tests then remove the following command.
+commands = /bin/true
+
+[testenv:pep8]
 basepython = python2.7
 deps = -r{toxinidir}/test-requirements.txt
 commands = flake8 {posargs}