API: updated to ss 3.1 (NOTE: ss 3.0.x no longer compatible)
Added the ability for an extension to hook into the CMS fields appropriately.
Added version links to readme
Merge pull request #55 from Zauberfisch/master

API: updated to ss 3.1
BUGFIX form->dataFieldByName appears to have been removed in newer versions of SS3. User form->Fields()->dataFieldByName instead
Merge pull request #60 from sheadawson/master

BUGFIX form->dataFieldByName appears to have been removed in newer versi...
MINOR remove registration content fields if allow registration is off, same with profile content fields
MINOR define  array so we don't need to check it isset
Merge pull request #64 from sheadawson/master

MINOR remove registration content fields if allow registration is off, s...
Updated the name of the extension hook to be unique.
Merge pull request #57 from NGlasl/master

Added the ability for an extension to hook into the CMS fields appropriately.
Add README custom field example.
Add allowed actions.

Closes #67.
Update composer to 3.1
Usability

Conflicts:
	composer.json