Lettuce testing added.
Allow lettuce tests to check and override settings values.
Lettuce tests reading CSV files.
More tag parsing examples.
Switch to separate abstract and title files, and allows quotation marks.
Temp save: two broken generate tests to fix, old code in comments, refactoring required, and possible recursive XML merge function to do.
Refactor and recursive append minidom to elementtree, and clean up old code in tests.
Remove old testing step.
Escaping unmatched angle brackets function with tests.
Change how xml_generation.py gets a list of DOI to process.
Wired-up new title and abstract parsing and fix to recursive minidom to element function with a test.
Collapse to one journal_metadata tag, and remove crossmark tags.
Readme: more project dependencies, and update CSV file list.
example-settings.py file updates.
Lettuce requirements test add more dependencies.
Merge pull request #147 from gnott/tag-parse

happy to merge
Change CC-BY boilerplate link from 3.0 to 4.0
Merge pull request #151 from gnott/cc-by-4.0

Change CC-BY boilerplate link from 3.0 to 4.0
Parse articleType from CSV files, update tests and example-settings.py
Set article-type in XML and decouple display_channel from it.