Ignore non-existing attr in APIResourceWrapper __repr__

Fixes bug 1202415

__repr__ was added to APIResourceWrapper in the recent commit,
but it searches all attributes in _attrs list. When an attribute
defined in _attrs actually does not exist, __repr__() fails.
This commit changes __repr__ to ignore non-existing attributes.

Change-Id: Iebaeae78f3763d87f3993ba5c4bbed4c23e84c45
Make row actions menu visible for the lower row

In every tab on any page with a few tabs (like Load Balancers
or Access & Security pages) there is a bottom border. If any
row actions menu is too long, its bottom is hidden for the lower
row. This patch removes the line which actually prevents menu
from running below border.

fixes bug 1190548

Change-Id: I244c7ee383bebaa85e1f4db08972af37160e2185
remove 'import *' usage (or mark is #noqa)

This is talked in bug #1188533, and in current codes, there are several
places here:

horizon/forms/__init__.py:18:from django.forms import *
    mark '# noqa'

openstack_dashboard/settings.py:182:    from local.local_settings import *
openstack_dashboard/test/settings.py:5:from horizon.test.settings import *
    mark '# noqa'

openstack_dashboard/dashboards/project/instances/workflows/__init__.py:1:from create_instance import *
openstack_dashboard/dashboards/project/instances/workflows/__init__.py:2:from update_instance import *
openstack_dashboard/dashboards/project/instances/workflows/__init__.py:3:from resize_instance import *
    fix it

openstack_dashboard/dashboards/project/images_and_snapshots/urls.py:21:from django.conf.urls.defaults import *
    fix it

fixes bug # 1188533
Change-Id: Id671280903f8452a78f81f1240d92297de7a89a8
Merge "Make row actions menu visible for the lower row"
Merge "remove 'import *' usage (or mark is #noqa)"
Merge "Ignore non-existing attr in APIResourceWrapper __repr__"