zhangce/cleanpaleo — pull request #2 by cambro (2014-01-28 19:37:13+00:00)
Title: updated interval names and dates

There are many deletions because I removed explicit duplicates to help with data curation. All distinct values should be there. I also updated many dates to provide better (though not complete) consistency with international scale (stratigraphy.org) in pbdb_a.interval_data