Add script for permissions setting.
Correct of script for permissions setting.
Refactoring of login action and login form; add AJAX and client validation in login form..
Fixes #16: remove UserIdentity class from authentication flow.
Fixes #16: add access code verification page.
Fixes #16: add sending of access code and it verification.
Fixes #16: add resending access code.
Fixes #15: add access log.
Fixes #15: add fields into access log.
Fixes #15: rename access log; add access log page; correct main menu; correct of backup list.
Fixes #15: add clearaccesslog console command; correct of Access model.
Fixes #14: add IP ban on several failed login.
Fixes #15: correct of access log fields.
Fixes #15: IP and User-Agent decoding.
Fixes #18: add options process in new backup converter.
Fixes #18: add file reading and XML document processing in new backup converter.
Fixes #18: add point text escaping in new backup converter.
Fixes #18: add SQL script formatting in new backup converter.
Fixes #18: add support of custom table prefix in new backup converter.
Fixes #18: refactoring of new backup converter.