fix memory leak when using purple accounts

Rename PidginContactList to PidginContactListWindow.

Remove a few more lines I missed about the chat user list width preference.

Make PurpleAccount take ownership of the connection that was set.

Fix purple_conversation_manager_find_chat_by_id.

We removed the preference for tracking the user list width but missed some code

Properly set XMPP connection errors.

Properly set XMPP connection errors.

fix typos in code contributions guide

Added tag v2.14.10 for changeset 594d72369304 release-2.x.y

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mercurial