Log Message:
Update to 4.1.3

Major changes compared to the IMP H3 (4.1.2) version are:
* Added server configuration option to limit numer of login tries.
* Added link to view attached S/MIME key details.
* Fixed escaping of folder names.
* Updated Catalan, German and Slovenian translations.
* Several small bugfixes and improvements.

The full list of changes (from version H3 (4.1.2)) can be viewed here:
http://cvs.horde.org/diff.php/imp/docs/CHANGES?r1=1.699.2.194&r2=1.699.2.206&ty=h