xlink namespace. Fixes #5.
Merge pull request #18 from gnott/tweaks

Tweaks
Corrections made to the extended-poa.xml
Remove phone and fax tags
Removed TODO comment.
Merge pull request #20 from nlisgo/feature/elife-extended_poa

Corrections made to the extended-poa.xml
Merge pull request #29 from gnott/colons

accidentally closed over at https://github.com/elifesciences/elife-poa-xml-generation/pull/19
journal-title-group containing journal-title.
Clean-up of doctype in prettyXML.
manuscript string zfill to get 5 character digits.
pub-date and history dates.
Merge pull request #33 from gnott/journal-title-group

journal-title-group containing journal-title.
Merge pull request #34 from gnott/doctype-refactor

Clean-up of doctype in prettyXML.
year typo.
journal-title-group containing journal-title.
Clean-up of doctype in prettyXML.
permissions section with license and optional copyright.
Merge pull request #39 from gnott/manuscript-zerofill

manuscript string zfill to get 5 character digits.
Merge pull request #40 from gnott/article-dates

pub-date and history dates.
documentation for downstream xml workflow