User registration now creates user via api.

Verification flow is still to be completed.

Foreign key constraint on verify codes to user table removed.

migrations/versions/90_remove_user_fk_verify_codes.py

@@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: 90_remove_user_fk_verify_codes
+Revises: 80_remove_services
+Create Date: 2016-01-19 20:57:41.986177
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '90_remove_user_fk_verify_codes'
+down_revision = '80_remove_services'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint('verify_codes_user_id_fkey', 'verify_codes', type_='foreignkey')
+    ### end Alembic commands ###
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.create_foreign_key('verify_codes_user_id_fkey', 'verify_codes', 'users', ['user_id'], ['id'])
+    ### end Alembic commands ###