Allow kindle_email to be CSV to allow sending to multiple kindles

cps/tasks/convert.py

@@ -90,14 +90,16 @@ class TaskConvert(CalibreTask):
                 # todo: figure out how to incorporate this into the progress
                 try:
                     EmailText = _(u"%(book)s send to Kindle", book=escape(self.title))
-                    worker_thread.add(self.user, TaskEmail(self.settings['subject'],
-                                                           self.results["path"],
-                                                           filename,
-                                                           self.settings,
-                                                           self.kindle_mail,
-                                                           EmailText,
-                                                           self.settings['body'],
-                                                           internal=True)
+                    for email in self.kindle_mail.split(','):
+                        email = email.strip()
+                        worker_thread.add(self.user, TaskEmail(self.settings['subject'],
+                                                               self.results["path"],
+                                                               filename,
+                                                               self.settings,
+                                                               email,
+                                                               EmailText,
+                                                               self.settings['body'],
+                                                               internal=True)
                                       )
                 except Exception as ex:
                     return self._handleError(str(ex))