Add rake data:migrate which runs all files in lib/data_migrations
Add organization creation task for data migration
Merge pull request #54 from theodi/feature-52-migrate-organizations

Add data migrations for #52
Change to using data-migrate gem

Which I only just found.
Move hacky migration to data-migrate style
Add a note as to why we're using a version from git
Merge pull request #57 from theodi/feature-52-migrate-organizations

Better solution for data migrations
Add feature for entering URL wrongly
Add validates_url gem
update URL validation features with more examples
validate URL
Check that data and javascript URLs aren't allowed
restrict to http and https
prepend https if there is no protocol at the start
Merge pull request #58 from theodi/feature-55-check-url-format

Check url format
Preview is an actual preview

Added detailed tests too
Merge branch 'master' of https://github.com/theodi/member-directory into feature-81-preview-and-view-listing

Conflicts:
	app/controllers/organizations_controller.rb