Replace UserManager with None in tests

Don't access keystoneclient's UserManager in tests. This should be
considered private data of keystoneclient and is not actually used by
horizon tests.

Conflicts:
	openstack_dashboard/test/test_data/keystone_data.py

Change-Id: I261e79b31dfc7388adb3dc63a3a5e54042f05e54
Closes-Bug: #1347236
(cherry picked from commit 821619fff324ba1bc3f697f585a0c350573f24a2)
(cherry picked from commit df782fc2b51f5e9d2e38e3e33a4ebdc0705a50b4)
Added precompiled Javascript files due to Horizon on SVL being configured to use offline compression

This patch is a forward-port of a patch from puppet-coe-service-patch
which had the following commit message:

---

    Revision: 538fa18143e273d68e99507df1222427ae87db06
    Author: Daniel Park <daniepar@cisco.com>
    Date: 7/23/2014 5:23:50 PM

    DE610 - Added precompiled Javascript files due to Horizon on SVL being configured to use offline compression

    Change-Id: Ic3b474f5b014fd825a6883640e025147da5df39c

---

Implements: rally-user-story US4145
Implements: rally-task TA3483
Not-in-upstream: true
Merge pull request #4 from CiscoSystems/TA3483/df782fc2b51

Replace UserManager with None in tests
Merge pull request #6 from CiscoSystems/TA3483/538fa18143

Added precompiled Javascript files due to Horizon on SVL being configured to use offline compression
Sanitized drag-and-drop names to prevent XSS

This patch is a forward-port of a patch from puppet-coe-service-patch
which had the following commit message:

---

    Revision: e682666e1d928b61e3f87927edd96ffa695ff344
    Author: Daniel Park <daniepar@cisco.com>
    Date: 7/22/2014 12:12:59 PM
    Message:
    DE610 - Sanitized drag-and-drop names to prevent XSS

    https://us1.rallydev.com/#/20103531125d/detail/defect/20692523466

    Chained a few more .replace() calls to properly santize drag-and-drop names for launching Horizon instances and creating firewall names.
    Also added escaping for email addresses. Please refer to the following bugs for more details:

    [OSSA 2014-023] Stored XSS for /admin/users/ (CVE-2014-3475):
    https://bugs.launchpad.net/horizon/+bug/1320235

    [OSSA 2014-023] Persistent XSS in OpenStack Havana UI for Network Name (CVE-2014-3474):
    https://bugs.launchpad.net/horizon/+bug/1322197

    [OSSA 2014-023] XSS in Horizon Heat template - resource name (CVE-2014-3473):
    https://bugs.launchpad.net/horizon/+bug/1308727

    Based on https://review.openstack.org/#/c/105478/

    Change-Id: I03546278f2309615393dbe005c09ecd6629452f5

---

Implements: rally-user-story US4145
Implements: rally-task TA3483
Not-in-upstream: true