rose date -c: add test.
Merge branch 'rose-date-c' into rose-date-c-test
Merge pull request #609 from matthewrmshin/rose-date-c-test

rose date -c: test
rose.conf.example: more examples.
Merge pull request #611 from matthewrmshin/rose.conf.example

rose.conf.example: more examples.
Merge branch 'master' into gh-pages