Update to Ansible 2.2.1.0 and adjust all file mode settings to provide them as strings

tasks/main.yml

@@ -38,7 +38,7 @@
       state='directory'
       owner='root'
       group='root'
-      mode=755
+      mode='755'
 
   - name: "Create scripts"
     template:
@@ -46,7 +46,7 @@
       dest="{{ item.dest }}"
       owner=root
       group=root
-      mode=755
+      mode='755'
     with_items:
       - src: 'etc_init_d_youtrack'
         dest: '/etc/init.d/youtrack'
@@ -62,7 +62,7 @@
       dest='/var/youtrack/youtrack-{{ youtrack_version }}.jar'
       owner='youtrack'
       group='root'
-      mode=644
+      mode='644'
 
   - name: "Ensure symbolic link"
     file: