Added CLI test for Bugzilla #1077386.

Added CLI test for Bugzilla #1077386 where the ``list`` subcommand for
``lifecycle-environment`` was raising an error when using the standard
output adapter (Table).

```bash
$ nosetests -c robottelo.properties tests/cli/test_lifecycleenvironment.py:TestLifeCycleEnvironment.test_bugzilla_1077386
2014-03-22 10:16:38 - robottelo - INFO - Paramiko instance prepared (and would be reused): 0x1045044d0
2014-03-22 10:16:42 - root - DEBUG - #1077333 ASSIGNED   - Tomas Strachota - Cannot search lifecycle environment via its name if using UTF-8 characters
2014-03-22 10:16:42 - robottelo - DEBUG - Running test TestLifeCycleEnvironment/test_bugzilla_1077386
2014-03-22 10:16:42 - robottelo - DEBUG - >>> LANG=en_US hammer -v -u admin -p changeme  --output csv organization create --name='vdaq9mpo'
2014-03-22 10:16:46 - robottelo - DEBUG - <<< [u'Message,Id,Name', u'Organization created,554,vdaq9mpo', u'']
2014-03-22 10:16:46 - robottelo - DEBUG - >>> LANG=en_US hammer -v -u admin -p changeme  --output csv organization info --id='554'
2014-03-22 10:16:48 - robottelo - DEBUG - <<< [u'Id,Name,Created at,Updated at,Label,Description', u'554,vdaq9mpo,2014/03/22 14:16:42,2014/03/22 14:16:42,vdaq9mpo,""', u'']
2014-03-22 10:16:54 - robottelo - DEBUG - >>> LANG=en_US hammer -v -u admin -p changeme  lifecycle-environment list --organization-id="vdaq9mpo"
2014-03-22 10:16:55 - robottelo - DEBUG - <<< [u'----|---------|------', u'ID  | NAME    | PRIOR', u'----|---------|------', u'623 | Library |      ', u'----|---------|------', u'']
.
----------------------------------------------------------------------
Ran 1 test in 13.162s

OK
```

The BZ has been closed as VERIFIED.