Testing additions and fixes

* Fix import pathing for units.mock
* Add some additional requirements
* Use compileall to test compatiblity with different python versions

tox.ini

@@ -1,23 +1,31 @@
 [tox]
-envlist = {py26,py27}-v{1}
+envlist = {py26,py27}
 
 [testenv]
 commands = make tests
 deps = -r{toxinidir}/test-requirements.txt
 whitelist_externals = make
 
-[testenv:py26-v1]
+[testenv:py26]
+commands =
+    python -m compileall -fq -x 'test|samples' .
+    python2.4 -m compileall -fq -x 'module_utils/(a10|rax|openstack|ec2|gce).py' lib/ansible/module_utils
+    make tests
+deps = -r{toxinidir}/test-requirements.txt
+whitelist_externals =
+    make
+    python2.4
 
-[testenv:py27-v1]
+[testenv:py27]
+commands =
+    python -m compileall -fq -x 'test|samples' .
+    make tests
+deps = -r{toxinidir}/test-requirements.txt
+whitelist_externals = make
 
-[testenv:py26-v2]
-deps = -r{toxinidir}/v2/test-requirements.txt
-commands = make newtests
-
-[testenv:py27-v2]
-deps = -r{toxinidir}/v2/test-requirements.txt
-commands = make newtests
-
-[testenv:py34-v2]
-deps = -r{toxinidir}/v2/test-requirements.txt
-commands = make newtests
+[testenv:py34]
+commands =
+    python -m compileall -fq -x 'lib/ansible/module_utils' lib
+    make tests
+deps = -r-r{toxinidir}/test-requirements.txt
+whitelist_externals = make