Feat make mount opts as variable

Closes #153 (closed)

Now the variable mount_points is a dictionary that includes:

• src: mount source
• path: mount path
• opts: mount options

ansible/group_vars/all

@@ -30,8 +30,8 @@
 # nfs_mounts related
   use_autofs: false
   mount_points:
-    - { "src": "master:/gpfs4", "path": "/gpfs4", "opts": "ro,sync,hard" }
-    - { "src": "master:/gpfs5", "path": "/gpfs5", "opts": "ro,sync,hard" }
+    - { "src": "master:/gpfs4", "path": "/gpfs4", "opts": "ro,sync,hard", "mode": "0755" }
+    - { "src": "master:/gpfs5", "path": "/gpfs5", "opts": "ro,sync,hard", "mode": "0755" }
 
 #SSH Host Keys
   S3_ENDPOINT: ""