slimCat "Caracal" r12

- Bookmarks are now properly treated as bookmarks, and no longer include
friends on other characters
- Right-click on the system tray now includes toggle for sound and
toasts
- Home tab now shows the time since the last message received from the
server
- Manage lists tab now includes search tool-chain, can toggle off
offline users
- Small tweaks to the UI in some small places

not a release version