better events for get_single_uid/cid
Move plugin configuration to config.inc.php.dist
Add configuration option 'acl_group_field' to use as ACL group identifier
Fix download of attachments that are part of TNEF message (#1490091)

Rcube_message_part::body content should never be modified by code out of the rcube_message.
Added convenient rcube_message::get_part_body() method, making rcube_message::get_part_content() deprecated.
Update changelog
Fix so attachment charset is set in headers of forward/draft message (#1490109)
Fix handling of uuencoded messages if messages_cache is enabled (#1490108)
Fix handling of base64-encoded attachments with extra spaces (#1490111)
Fix handling of UNKNOWN-CTE response, try do decode content client-side (#1490046)
Really fix UNKNOWN-CTE handling
Fix of really fix UNKNOWN-CTE handling
Merge pull request #238 from bnogas/master-p5

Fix of really fix UNKNOWN-CTE handling
Call exif_read_data() only on JPEG images
Skip unnecessary session updates on task switch - switch session task less often (#1490116)
Catch only left-button clicks on the list widget's mouseup handler
Correctly detect charset of attachment names in TNEF messages
Merge pull request #235 from bnogas/master-p2

Move plugin configuration to config.inc.php.dist
Merge pull request #234 from bnogas/master-p3

Add config option 'acl_group_field' to use as ACL group identifier
CS fixes after PR merge
Fix syntax error in plesk driver