[cXF] Direct Message Button 1.5.0

NOTE: before XF 2.3 the [cXF] Direct Message Button was formerly known as [cXF] Conversation Button (you will still find the name ConversationButton in the file name. That is OK, just make sure you download the right version)
Description:
Some administrators want to highlight the talk button in order to make it easier to contact the user, so this add-on will add a button or conversation icon to the message block user.
Features
add conversation button above user details in the message block
add conversation button below user details in the message block
add conversation icon beside username in the message block
option to add thread title to a new conversation
style properties for conversation button and icon (text, background, ...)
style properties for conversation button and icon on hovering (text, background, ...)