Rename first send_email to send_email_v1.

Fix the tests

migrations/versions/0029_fix_email_from.py

@@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: 0029_fix_email_from
+Revises: 0028_fix_reg_template_history
+Create Date: 2016-06-13 15:15:34.035984
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0029_fix_email_from'
+down_revision = '0028_fix_reg_template_history'
+
+from alembic import op
+import sqlalchemy as sa
+
+service_id = 'd6aa2c68-a2d9-4437-ab19-3ae8eb202553'
+def upgrade():
+    op.get_bind()
+    op.execute("update services set email_from = 'gov.uk.notify' where id = '{}'".format(service_id))
+    op.execute("update services_history set email_from = 'gov.uk.notify' where id = '{}'".format(service_id))
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    pass
+    ### end Alembic commands ###