Update recentFirst usage in tutorial 5

Closes #120
`chronological` docs update

`chronological` now respects metadata too and uses same method as
dateField to get date for sorting.
renderDateField does not exist
Support timezones as well
Merge pull request #122 from simukis/chronological-update

chronological docs update
Merge pull request #123 from simukis/utc-update

Support timezones