Some text in html are not translatable, this cleans-up some of those files.

Fixes bug 1123612.

Change-Id: I012042e20abc22e7a1f01cd9650adedfa86ca227
Add recommendations for secure deployments

To deployment doc: Adds recommendations to secure cookies from cross site scripting and mentions how to disable browser autocompletion on the authentication form.

To local_settings.py.example: Adds commented lines showing the CSRF_COOKIE_SECURE and SESSION_COOKIE_SECURE settings and recommending that the lines are uncommented if Horizon is being served through HTTPS.

Change-Id: I0e2516c9c16622561a9b7955aa4b9db87a8410ee
Fixes: bug #1118194
Add X-FRAME_OPTIONS header to protect against Clickjacking

Enables the django.middleware.clickjacking.XFrameOptionsMiddleware
middleware class with the default X-Frame-Options header SAMEORIGIN.
More details here: https://docs.djangoproject.com/en/dev/ref/clickjacking/

Change-Id: Ic06fdf0b79c9cd245c12ed1f4438af9a4b52ad03
Fixes: bug #1118327
Allow image filtering based on image ownership

Uses buttons above the images list to allow filtering into categories:
project, "official", shared, public.

Adds a FixedFilterAction that creates a button group on top of the
datatable. Supports server-side and client-side filtering.

Implements blueprint organised-images-display.

Change-Id: I87f6cf4dd7d7397ad8c23ebadc8bf293d0bad998
If a user only has 1 keypair, this keypair should be selected by default

When Launching a new instance, it's easy to forget to select a keypair
as it's hidden in another tab. This mitigates the issue by selecting a
keypair automatically when there is only one.

Fixes bug #1125124

Change-Id: I04cd6850b4b5f0901d2f9035af8df53cfb67f8c5
Merge "If a user only has 1 keypair, this keypair should be selected by default"
Merge "Allow image filtering based on image ownership"
Merge "Add recommendations for secure deployments"
Merge "Some text in html are not translatable, this cleans-up some of those files."