Get 'cover' working and remove pypy

Change nova-powervm to nova_powervm so 'cover' works.
Added a test case to improve coverage.
Removed pypy from environment list.

Change-Id: I337f2e8b762349f16ec8e6cd9489688970969486

.gitignore

@@ -3,3 +3,6 @@ build/*
 .tox/
 nova_powervm.egg-info/
 *.pyc
+/.idea/
+.coverage
+/cover/

nova_powervm/tests/virt/powervm/test_driver.py

@@ -33,3 +33,10 @@ class TestPowerVMDriver(test.TestCase):
         """
         test_drv = driver.PowerVMDriver(fake.FakeVirtAPI())
         self.assertIsNotNone(test_drv)
+
+    def test_driver_init(self):
+        """Validates the PowerVM driver can be initialized for the host."""
+        drv = driver.PowerVMDriver(fake.FakeVirtAPI())
+        drv.init_host('FakeHost')
+        # Nothing to really check here specific to the host.
+        self.assertIsNotNone(drv)

setup.cfg

@@ -1,5 +1,5 @@
 [metadata]
-name = nova-powervm
+name = nova_powervm
 summary = PowerVM driver for OpenStack Nova.
 description-file = README.rst
 author = IBM

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py27,py33,pypy,pep8
+envlist = py33,py27,pep8
 skipsdist = True
 
 [testenv]