Add cURL examples for Cloud Databases

author: diane fleming
Cloud Databases sample code (.NET)

.NET Cloud Database sample code.
Samples have been improved - more code

More code was added to give context to each example, including the
creation of objects needed for each example.
Firewall for the webserver
Ignore the ip_access.yml
vars_files belongs in provisioning only
UFW rules for Jenkins
Comment on Jenkins firewall
Port 80 please
Note about ip_access in README, fix numbering
Changing branch name to use for building staging site.
Merge pull request #317 from rgbkrk/iptables

[Infrastructure] [Firewall] Initial UFW provisioning
Merge pull request #363 from ycombinator/jenkins-dev-branch-for-staging

Changing branch name to use for building staging site.
Merge pull request #297 from DonSchenck/cloud-databases

Cloud Databases sample code (.NET)
Merge branch 'curl-database' of github.com:dian4554/developer.rackspace.com into dian4554-curl-database

Conflicts:
	src/docs/cloud-databases/getting-started/samples/authentication.rst
	src/docs/databases/quickstart.rst
	src/docs/databases/samples/check_root_status.rst
	src/docs/databases/samples/create_backup.rst
	src/docs/databases/samples/create_db.rst
	src/docs/databases/samples/create_instance.rst
	src/docs/databases/samples/create_user.rst
	src/docs/databases/samples/enable_root_user.rst
	src/docs/databases/samples/get_flavor.rst
	src/docs/databases/samples/list_flavors.rst
	src/docs/databases/samples/resize_instance.rst
	src/docs/databases/samples/restart_instance.rst
	src/docs/databases/samples/restore_backup.rst
	src/docs/files/samples/auth_client.rst
	src/docs/images/samples/authentication.rst
	src/docs/images/samples/update_image_member.rst
Not sure what diffs were here.
Split firewall config into its own section
Merge pull request #366 from rgbkrk/lockboxrole

Split firewall config into its own section
Use soft-wrapping for prose.
Double quote-mark!

.rst with syntax highlighting makes this extra obvious. :point_up: