resource names can be symbols
convert to_s all of them
Add chefspec, convert test recipe.
Add name to metadata.
Add a more basic test.
More tests of the basic test recipe.
Test that resource order doesn't matter.

In this test, a relevant file resource is declared after the
managed_directory resource.
Add failing test for PR#2

https://github.com/zts/chef-cookbook-managed_directory/pull/2

Resource names may be symbols, but the managed_directory provider
blows up when it encounters one.
Merge branch 'pr/2' - symbols are valid resource names
Bump version.