correct the filename of the yum provisioner unit test
add unit test for Config.dict_merge
add contributing doc
Merge branch 'testing' of https://github.com/kvick/aminator into issue_115
Merge branch 'testing' of https://github.com/Netflix/aminator into issue_115
leading whitespace in the Description field lines can mess up our keys.  we trim the values, so also trim the keys
remove this test, it was more to figure out how Config worked
Merge pull request #116 from kvick/issue_115

Fixes Issue 115