Missing admin passwords in location module.

Tests for module ipalocation failed due to missing ipaadmin_password.

Added the variable to the playbooks, and also fixed the examples and
documentation. Some playbooks had identation fixed to two spaces
instead of one for consistency with other modules.

README-location.md

@@ -49,6 +49,7 @@ Example playbook to make sure location "my_location1" is present:
 
   tasks:
   - ipalocation:
+      ipaadmin_password: SomeADMINpassword
       name: my_location1
       description: My Location 1
 ```
@@ -64,6 +65,7 @@ Example playbook to make sure location "my_location1" is absent:
 
   tasks:
   - ipalocation:
+      ipaadmin_password: SomeADMINpassword
       name: my_location1
       state: absent
 ```