Add a --config option to point to config files in custom locations.
Merge pull request #482 from rcook/master

Bare minimum support for Minitest 5
Add changelog entry for minitest 5.0 support
Fix spacing
Merge branch 'specified-config' of github.com:nevir/zeus into nevir-specified-config
Add basic test for new ConfigFile variable
Merge branch 'nevir-specified-config'
Add mention of default config file name
Add CHANGES entry for --config