This update fixes the following issues for xfce4-panel-plugin-systemload:
- update to version 1.1.1 (this introduces compatibility with xfce 4.10)
- simplify tooltip handling code
- better compliance with panel plugin HIG
- only set label angle with panel > 4.9
- set plugin to small in all modes except deskbar modes
- facilitate bringing up the configuration dialog
- fix background transparency by setting the main evbox hidden
- changing uptime label orientation in the vertical mode
- compatibility with panel 4.9+