New location management module

There is a new location management module placed in the plugins folder:

    plugins/modules/ipalocation.py

The location module allows to ensure presence or absence of locations.

Here is the documentation for the module:

    README-location.md

New example playbooks have been added:

    playbooks/location/location-absent.yml
    playbooks/location/location-present.yml

New tests for the module:

    tests/location/test_location.yml

playbooks/location/location-absent.yml

@@ -0,0 +1,10 @@
+---
+- name: Location absent test
+  hosts: ipaserver
+  become: true
+
+  tasks:
+  - name: Ensure location my_location1 is absent
+    ipalocation:
+     name: my_location1
+     state: absent