Add parameter to change connection timeout (default was and is 5 seconds)

include/ui_dev/revpiplclist.ui

@@ -105,7 +105,7 @@
         </property>
        </widget>
       </item>
-      <item row="3" column="0">
+      <item row="4" column="0">
        <widget class="QLabel" name="lbl_folder">
         <property name="text">
          <string>Sub folder:</string>
@@ -151,7 +151,7 @@
         </property>
        </widget>
       </item>
-      <item row="3" column="1">
+      <item row="4" column="1">
        <widget class="QComboBox" name="cbb_folder">
         <property name="editable">
          <bool>true</bool>
@@ -163,6 +163,32 @@
         </item>
        </widget>
       </item>
+      <item row="3" column="0">
+       <widget class="QLabel" name="lbl_timeout">
+        <property name="text">
+         <string>Connection timeout:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="1">
+       <widget class="QSpinBox" name="sbx_timeout">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="suffix">
+         <string> sec.</string>
+        </property>
+        <property name="minimum">
+         <number>5</number>
+        </property>
+        <property name="maximum">
+         <number>30</number>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>