Standardize on ISO representation for latest news and upcoming events.
Initial docs
Use a more descriptive tag name, and push the "-" required for display formatting out of the date format string
Merge pull request #153 from proevo/iso_dates

Standardize on ISO representation for latest news and upcoming events.
use `pop` instead of `del` just in case email isn't there
use a different template for past events. Close #108. Thanks linssen for the report.