Remove app install from pending list before installing

src/freedombone-installer

@@ -945,15 +945,20 @@ function install_apps_from_webadmin {
                     rm "$webadmin_install_dir/app_qrcode_${app_name}.png"
                 fi
 
+                # remove from pending list so that if the install gets stuck
+                # it won't repeatedly try to install a bad app
+                sed -i "/$linestr/d" "$pending_installs"
+
                 if ! /usr/bin/timeout $APP_INSTALL_TIMEOUT_SEC /usr/local/bin/${PROJECT_NAME}-addremove add "${app_name}" > "$webadmin_install_dir/applog.txt"; then
                     sed -i "/$linestr/d" "$pending_installs"
                     web_admin_create_add_apps
                 fi
 
                 chown www-data:www-data "$webadmin_install_dir/applog.txt"
+            else
+                # remove from pending list
+                sed -i "/$linestr/d" "$pending_installs"
             fi
-            # remove the line
-            sed -i "/$linestr/d" "$pending_installs"
         else
             # if any unusual line is found then remove the file
             rm "$pending_installs"