Add Python 3.4 to trove qualifiers.

And fix the classifiers list.
Events 0.2.1 is now required.
Fix #338 'document_link doesn't work'
Gender nutralise

Guy is often used when meaning men and woman, but sometimes it only means men. So, to avoid ambiguity, lets switch to something that is clearly gender neutral.
Merge pull request #339 from d0ugal/patch-1

Gender nutralise
Dougal Matthews
Cerberus 0.7 requirements and features.
Docs for new Cerberus 0.7 rules.
Fixes #332 Handling of lists in defaults
fix(links): make use of URL_PROTOCOL in document/resource link
Nullable objectid with null value stored as null.

Closes #341.
test(links): add test for composing urls with URL_PREFIX
Fix typo in module name.
David Arnold
enumerate all the things
Merge pull request #1 from nicolaiarocci/develop

Update
correction in the `default` rule description
Merge branch 'da4089-develop' into develop
Merge pull request #345 from superdesk/develop

fix(links): make use of URL_PROTOCOL in document/resource link
UUID urls as regexes