utils/unittest_suite_nose.py: Fixes

Fix a bug on unittest skipping unittests. Also, let
us know when a test was skipped and allow it to
be run unmodified on an autotest checkout.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Fix unittest runs under nose test suite

The nose test suite is the preferred one going forward,
so let's fix the unittest bugs found, so we finally
have a clean travis run.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
travis.yml: Run all short unittests

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
.travis.yml: Don't install autotest when running unittests

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
.travis.yml: Install simplejson and MySQL bindings

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #821 from autotest/unittests

Unittests