Use zenity for selecting mesh blog options

src/freedombone-mesh-blog

 }
 
 function menu_blog {
-    data=$(tempfile 2>/dev/null)
-    trap "rm -f $data" 0 1 2 5 15
-    dialog --backtitle $"Freedombone Mesh" \
-           --title $"Blogging" \
-           --radiolist $"Choose an operation:" 19 50 12 \
-           1 $"View a blog" on \
-           2 $"New blog entry" off \
-           3 $"Edit the previous blog entry" off \
-           4 $"Delete the previous blog entry" off \
-           5 $"Change theme" off \
-           6 $"Exit" off 2> $data
+    data=$(zenity --list 1 $"View a blog" 2 $"New blog entry" 3 $"Edit the previous blog entry" 4 $"Delete the previous blog entry" 5 $"Change theme" --column="id" --title $"Blogging" --column=$"Choose an operation:" --hide-column=1 --print-column=1 --height=250)
     sel=$?
     case $sel in
         1) exit 1;;
         255) exit 1;;
     esac
-    case $(cat $data) in
+    case $data in
         1) view_blog;;
         2) new_blog;;
         3) edit_blog;;
         4) delete_blog;;
         5) change_theme;;
-        6) break;;
     esac
 }