Fixed bug#[9360](http://bugs.otrs.org/show_bug.cgi?id=9360) - DynamicField Names shown in CSV output.
Added PubSub event for CustomerSearch.
Improved permission checks in AgentTicketPhone.
Improved permission checks in AgentTicketPhone.
Fixed bug#7478 - Got an external answer to an internal mail.
Fixed OTRS exceeds 998 character limit in References Line of E-Mail Header.
Fixes bug#9345.
Changed description for "Slim" skin.
Merge remote-tracking branch 'upstream/rel-3_2' into rel-3_2