Merge "Refactor core VNF class"

diff --cc tox.ini
index 0b3e778,12091c1..c8d4545
--- 1/tox.ini
--- 2/tox.ini
+++ b/tox.ini
@@@ -27,15 -26,13 +27,11 @@@ commands = flake
  
  [testenv:pylint]
  basepython = python2.7
 -deps =
 -  {[testenv]deps}
  whitelist_externals = bash
  modules =
-   functest.core.feature
-   functest.core.testcase
-   functest.core.unit
+   functest.core
    functest.opnfv_tests.sdn.odl
-   functest.tests.unit.core.test_feature
-   functest.tests.unit.core.test_testcase
-   functest.tests.unit.core.test_unit
+   functest.tests.unit.core
    functest.tests.unit.odl
    functest.tests.unit.utils.test_decorators
    functest.utils.decorators