Creates Array of Hash for variables in site.yml

[emmafass]

I found an issue where when I declare a variable in site.yml, the value that was being passed to my test was nil. I looked into it more and discovered that in the get_variables method in load_ansible file, p[group_idx]['vars'] was an Array that had a Hash in it (I had only declared one variable in site.yml). The merge_variables method, however, accepts a Hash as a parameter. I would like to change the get_variables so that if p[group_idx]['vars'] is an Array, it loops through the Hashes in the Array and calls merge for each.

[volanja]

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