remove the namespace_packages from setup.py

In reddwarf's setup.py, the method setuptool.setup() currently accepts a parameter for namespace_packages, and it shouldn't.

Change-Id: Ica1fbebd5cbd5943c3a1b322d14a280737bc0542
fixes: bug #1136189

.coveragerc

@@ -2,9 +2,7 @@
 [run]
 branch = True
 
-source=.tox/cover/lib/python2.7/site-packages/reddwarf
-# replace with previous line once the python path issue is resolved and the tox.ini is fixed accordingly
-# source=reddwarf
+source=reddwarf
 omit=*reddwarf/tests*,*reddwarf/openstack/common*
 
 [report]

setup.py

@@ -54,5 +54,4 @@ setuptools.setup(name='reddwarf',
              'bin/reddwarf-manage',
              ],
     py_modules=[],
-    namespace_packages=['reddwarf'],
 )

tox.ini

@@ -22,9 +22,7 @@ commands = pep8 --repeat --show-source --ignore=E125 --exclude=.venv,.tox,dist,d
 basepython = python2.7
 commands =
      coverage erase
-     coverage run -m subunit.run discover ./reddwarf/tests/unittests
-#   replace with above line once the python path issue is resolved
-#     python setup.py testr --coverage
+     python setup.py testr --coverage
      coverage run -a run_tests.py 
      coverage html 
      coverage report