* candidate var can now be string, list or element
* fixes minor bug in junos_template for backup argument
* disabled invalid integration test for junos_template
When using AWS we have to use the full domain name in the inventory file, which
we rather than the short name. This change avoids that ending up being
set in the tests.
This change corrects problems reported by the `yamllint` linter.
Since key duplication problems were removed in 4d48711, this commit
mainly fixes trailing spaces and extra empty lines at beginning/end of
files.