big change : panel_monitor = all will draw one panel per monitor, panel_size accept percentage or pixel, update documentation, taskbar_mode = single_monitor show tasks of current monitor

git-svn-id: http://tint2.googlecode.com/svn/trunk@32 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/util/area.h

@@ -80,6 +80,8 @@ typedef struct {
    int paddingxlr, paddingx, paddingy;
    // parent Area
    void *parent;
+   // panel
+   void *panel;
 
    // each object can overwrite following function
    void (*draw_foreground)(void *obj, cairo_t *c, int active);