Cleanup legacy syntax, spacing, files all to yml

Migrate older inline= syntax to pure yml syntax for module args as to be consistant with most of the rest of the tasks
Cleanup some spacing in various files
Rename some files named yaml to yml for consistancy

roles/docker/handlers/main.yml

@@ -23,7 +23,9 @@
     state: restarted
 
 - name: Docker | pause while Docker restarts
-  pause: seconds=10 prompt="Waiting for docker restart"
+  pause:
+    seconds: 10
+    prompt: "Waiting for docker restart"
 
 - name: Docker | wait for docker
   command: "{{ docker_bin_dir }}/docker images"

roles/docker/tasks/set_facts_dns.yml

@@ -51,13 +51,16 @@
   when: system_search_domains.stdout != "" 
 
 - name: check number of nameservers
-  fail: msg="Too many nameservers"
+  fail:
+    msg: "Too many nameservers"
   when: docker_dns_servers|length > 3
 
 - name: check number of search domains
-  fail: msg="Too many search domains"
+  fail:
+    msg: "Too many search domains"
   when: docker_dns_search_domains|length > 6
 
 - name: check length of search domains
-  fail: msg="Search domains exceeded limit of 256 characters"
+  fail:
+    msg: "Search domains exceeded limit of 256 characters"
   when: docker_dns_search_domains|join(' ')|length > 256

roles/docker/tasks/systemd.yml

@@ -1,6 +1,8 @@
 ---
 - name: Create docker service systemd directory if it doesn't exist
-  file: path=/etc/systemd/system/docker.service.d state=directory
+  file:
+    path: /etc/systemd/system/docker.service.d
+    state: directory
 
 - name: Write docker proxy drop-in
   template: