Replaced all references to hooroo_email with primary_email
Replaces left_hooroo with left_clan
Rather than renaming hooroo_email to primary_email in the old migration, made a new migration to achieve this.
Moved mark_barger from data_migrations to disabled_data_migrations
Removed mark barger from data_migrations
Linking to github makes use of the github username instead of email
Merge pull request #6 from ejoubaud/dehooroofication

Dehooroofication