Moving tasks order, file has to be created first before being copied

Moving order back to before, adding a stat to check if file exists

Correcting use of stat conditional

Typo

Removing EDX_ANSIBLE_DUMP_VARS from create backup copy

Using file instead of copy module

using copy / backup module

Adding back logic to check if file exists

Moving tasks order, file has to be created first before being copied

Moving order back to before, adding a stat to check if file exists

Correcting use of stat conditional

Typo

Removing EDX_ANSIBLE_DUMP_VARS from create backup copy

Using file instead of copy module

using copy / backup module

Adding back logic to check if file exists

Logic to make sure that backup of server-var.yml works
Pulling out backup server-var.yml
Merge pull request #1222 from edx/han/backup-server-vars

Pulling out backup server-var.yml