Changed page flow to first save file and then redirect to check.

On check numbers in file are validated.

Posting to check then uploads file to s3

app/templates/views/check-sms.html

@@ -59,6 +59,8 @@
 					back_link = url_for(".sendsms", service_id=service_id)
 			)}}
 
+			<input type='hidden' name='recipients' value='{{filename}}'>
+
 		</form>
 	{% endif %}
 {% endblock %}