Riot is now Element

Fixes #586 (Github Issue)

roles/matrix-client-element/tasks/init.yml

@@ -0,0 +1,10 @@
+- set_fact:
+    matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-client-element'] }}"
+  when: matrix_client_element_enabled|bool
+
+# ansible lower than 2.8, does not support docker_image build parameters
+# for self buildig it is explicitly needed, so we rather fail here
+- name: Fail if running on Ansible lower than 2.8 and trying self building
+  fail:
+    msg: "To self build the Element image, you should usa ansible 2.8 or higher. E.g. pip contains such packages."
+  when: "ansible_version.major == 2 and ansible_version.minor < 8 and matrix_client_element_container_image_self_build"