- Update Changelog

Conflicts:

	CHANGELOG
- Fix message paging navigation div effectively disables preview pane checkbox on narrow screen widths (#1488425)
Accept two past time slots for auth cookie validation; don't encode user-agent into session auth hash (#1488449)

Conflicts:

	program/include/rcube.php
Better handling of HTTP request errors; re-send keep-alive requests on failure (#1488449)
- Fix typo
Upgraded to PEAR::Mail_Mime 1.8.3
 - Some improvements and completion of pt_BR language files.
 - pt_BR update to avoid the text-overflow on the compose button of Larry skin
Print last commit date as (git) version

Conflicts:

	program/include/rcube_template.php
- Allow to configure the number of values allowed for each LDAP attribute
- Support for serialized LDAP address values (usually delimited with a $)

Conflicts:

	config/main.inc.php.dist
Fix handling of 'serialzied' LDAP address attributes
Fix multi-threaded autocompletion when number of threads > number of sources
Updated Changelog
Better Markdown formatting for the README file

Conflicts:

	README
Rename README file
Add (empty) Larry skin folders for plugins
Added .gitignore file
Simplified code
Simplified code
Fixed PHP warning