* improved compatiblity for CMSms 1.5.x
* added own module icon
* enlarged module icons
* added funtion to save log data of sent mails.
(with that option you can resend mails to users that did not have entered a valid email address when sending a mail last time)
* saved messages displays amount of recipients, processed users and total users of the selected groups
* added confirm messages before actually sending a mail.
(confirm message shows amount of total users, processed users, recipients and remaining users)
* removed function to resend temporary mails to all users of selected groups
* removed function to edit temporary mails
(jobs cannot be changed anymore but just continued)
* several trivial bugfixes
(including changes to the database)