Update Solaris patch from Peter Tribble

Check for the lib kstat in the autoconf script.
Build with the correct file for Solaris in the automake script.
Fixed the xfce_err messages and switched to g_snprintf for the command strings.
Updated the TODO file.

TODO

@@ -1,8 +1,17 @@
 + drop old gtk_tooltips
-+ display mem < 0MB (we can't show in KB unless we rewrite the sort function
-		which I think is not worth the effort)
 + support multi core (show cpu usage per process)
 + move get_cpu_usage() out from functions.c, it is an os-dependant function
++ change priority numbers against an enum with text labels Low Medium Normal
+  High Very-high
++ figure a proper way to get the cpu usage of a process, currently the
+  time/old_time is messy and BSD doesn't even do it this way which makes this
+  os dependant
+
++ settings dialog
+  + 1-move the current Preferences submenu
+  + 2-switch the button action to show the dialog
+  + 3-drop the submenu
+  + CPU precision with 2 decimals
 
 + *BSD support with the 'kvm' files
 + ability to switch to a tree-store