Organization labels cannot be UTF-8 or Latin1.

Here are the failures:

```bash
======================================================================
ERROR: @test: Create organization with valid unmatching name and label only
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/ddt.py", line 110, in wrapper
    return func(self, *args, **kwargs)
  File "/home/jenkins/workspace/foreman-compose-cli/tests/cli/test_org.py", line 370, in test_positive_create_3
    new_obj = make_org(test_data)
  File "/home/jenkins/workspace/foreman-compose-cli/robottelo/cli/factory.py", line 394, in make_org
    args.update(create_object(Org, args))
  File "/home/jenkins/workspace/foreman-compose-cli/robottelo/cli/factory.py", line 81, in create_object
    'Failed to create %s with %r data.' % (cli_object.__name__, args))
Exception: Failed to create Org with {'description': None, 'name': u'\u5b82\u619f\u94d8\u86d2\u6592\u6b63\u79b6\u90d5\u8696\u5c0c', 'label': u'\u7b05\u7caf\u7b95\u96f4\u64f6\u92ec\u5253\u7560\u9260\u5fdb'} data.

======================================================================
ERROR: @test: Create organization with valid unmatching name and label only
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/ddt.py", line 110, in wrapper
    return func(self, *args, **kwargs)
  File "/home/jenkins/workspace/foreman-compose-cli/tests/cli/test_org.py", line 370, in test_positive_create_3
    new_obj = make_org(test_data)
  File "/home/jenkins/workspace/foreman-compose-cli/robottelo/cli/factory.py", line 394, in make_org
    args.update(create_object(Org, args))
  File "/home/jenkins/workspace/foreman-compose-cli/robottelo/cli/factory.py", line 81, in create_object
    'Failed to create %s with %r data.' % (cli_object.__name__, args))
Exception: Failed to create Org with {'description': None, 'name': u'\xdf\xcf\xe8\xc0\xd2\xe3\xd4\xfb\xe4\xdd', 'label': u'\xee\xd1\xc5\xd2\xcc\xfe\xf2\xc5\xe0\xfb'} data.

======================================================================
FAIL: @test: Create organization with valid unmatching name and label only
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/ddt.py", line 110, in wrapper
    return func(self, *args, **kwargs)
  File "/home/jenkins/workspace/foreman-compose-cli/tests/cli/test_org.py", line 375, in test_positive_create_3
    self.assertEqual(result.return_code, 0, "Failed to create object")
AssertionError: Failed to create object

======================================================================
FAIL: @test: Create organization with valid unmatching name and label only
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/ddt.py", line 110, in wrapper
    return func(self, *args, **kwargs)
  File "/home/jenkins/workspace/foreman-compose-cli/tests/cli/test_org.py", line 375, in test_positive_create_3
    self.assertEqual(result.return_code, 0, "Failed to create object")
AssertionError: Failed to create object

======================================================================
FAIL: @test: Create organization with valid unmatching name and label only
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/ddt.py", line 110, in wrapper
    return func(self, *args, **kwargs)
  File "/home/jenkins/workspace/foreman-compose-cli/tests/cli/test_org.py", line 375, in test_positive_create_3
    self.assertEqual(result.return_code, 0, "Failed to create object")
AssertionError: Failed to create object

======================================================================
FAIL: @test: Create organization with valid unmatching name and label only
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/ddt.py", line 110, in wrapper
    return func(self, *args, **kwargs)
  File "/home/jenkins/workspace/foreman-compose-cli/tests/cli/test_org.py", line 375, in test_positive_create_3
    self.assertEqual(result.return_code, 0, "Failed to create object")
AssertionError: Failed to create object
```

After proposed fix:

```bash
$ nosetests -c robottelo.properties -m test_positive_create_3 tests/cli/test_org.py

@test: Create organization with valid unmatching name and label only ... ok
@test: Create organization with valid unmatching name and label only ... ok
@test: Create organization with valid unmatching name and label only ... ok
@test: Create organization with valid unmatching name and label only ... ok
@test: Create organization with valid unmatching name and label only ... ok
@test: Create organization with valid unmatching name and label only ... ok

----------------------------------------------------------------------
XML: foreman-results.xml
----------------------------------------------------------------------
Ran 6 tests in 80.026s

OK
```
Redmine issue #4486 is no longer a problem.

```bash
$ nosetests -c robottelo.properties -m test_redmine_4486 tests/cli/test_org.py
@test: Cannot search for an organization by name, only label ... ok
@test: Cannot search for an organization by name, only label ... ok
@test: Cannot search for an organization by name, only label ... ok
@test: Cannot search for an organization by name, only label ... ok
@test: Cannot search for an organization by name, only label ... ok
@test: Cannot search for an organization by name, only label ... ok

----------------------------------------------------------------------
XML: foreman-results.xml
----------------------------------------------------------------------
Ran 6 tests in 78.661s

OK
```
Added tests for Bugzilla #1079587.

There is a regression where you cannot search for an organization by its
label. Added DDT tests for it.
More fixes to Org CLI tests.

Some subcommands for ORG CLI have changed so our tests were failing.

```bash
Ran 184 tests in 1918.210s

FAILED (SKIP=85, errors=1, failures=24)
```
Merge pull request #546 from omaciel/more-cli-fixes

More cli fixes