pidgin/purple-plugin-pack

Re-add purple2 compatibility with #if PURPLE_VERSION_CHECK(3,0,0) blocks

Based on previous commits between 2.7.0 and now, this is sorta like reverting
those changes partially.
[Chat User List Logging]
type=default
depends=pidgin
provides=listlog
summary=Logs the list of users in a chat when you join
description=When a chat is joined, this plugin will print the list of users in the chat in the conversation window, thus causing the userlist to be logged
authors=John Bailey
introduced=2.4.0