Make it more clear that users needs to allowe IP

Previously database instances were created so that connections
from 0.0.0.0/0 were allowed by default. I'm assuming that this
"just worked" for some users that might find this change confusing.
With this change I try to make sure that the users will actually
define some allowed cidrs.

DBAAS-117

Author: oscarkraemer

docs/cloud/dbaas/cli.md

@@ -65,7 +65,7 @@ Remember that you can use the help command as `openstack help database` and the
 
 	* What `username` and `password` you want to use. In this example we will use `databaseuser` and `myPassword568`.
 
-3. Once you've gathered the data you want to use to create your database you can do it by running the following command. Please update the variables how you see fit, especially `MY_IP`. You can also use the flag `--allowed-cidr` multiple times to add multiple IP-addresses.
+3. Once you've gathered the data you want to use to create your database you can do it by running the following command. Please update the variables how you see fit, especially `MY_IP`. You can also use the flag `--allowed-cidr` multiple times to add multiple IP-addresses. By default the database instance are created without any `allowed-cidr` which means that you won't be able to connect to your database.
 
 	```sh
 	openstack database instance create my_database_instance \

docs/cloud/dbaas/web-interface.md

@@ -21,7 +21,7 @@ Now you can define what settings you want for your database:
 
 On the next page `Database access`:
 
-7. `Allowed CIDRs` - Here you want to add your allowed IP-addresses in the format `$IP/32` if you want to allow multiple IP-addresses. You need to separate them by a comma `,`.
+7. `Allowed CIDRs` - Here you want to add your allowed IP-addresses in the format `$IP/32` if you want to allow multiple IP-addresses. You need to separate them by a comma `,`. By default the database are created without any `Allowed CIDRs` which means that you won't be able to connect to your database.
 
 On the third page `Intialize Databases: