Use new optional integer methods

Change-Id: Ic44832e9a118f96cf6d37f6a2da7c162ea131094
Depends-On: I79e9a19acf452c831ee6e671f50b54e8f674f2cd
Reviewed-on: http://gerrit.dmdirc.com/1570
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>

src/com/dmdirc/addons/osd/OsdManager.java

@@ -69,7 +69,7 @@ public class OsdManager {
      */
     private synchronized void displayWindows() {
         final Integer maxWindows = IdentityManager.getGlobalConfig().
-                getOptionInt(plugin.getDomain(), "maxWindows");
+                getOptionInt(plugin.getDomain(), "maxWindows", false);
 
         String nextItem;
 

src/com/dmdirc/addons/osd/OsdWindow.java

@@ -100,7 +100,7 @@ public class OsdWindow extends JDialog implements MouseListener,
         this.config = config;
         this.osdManager = osdManager;
         this.timeout = IdentityManager.getGlobalConfig()
-            .getOptionInt(osdManager.getPlugin().getDomain(), "timeout");
+            .getOptionInt(osdManager.getPlugin().getDomain(), "timeout", false);
 
         setFocusableWindowState(false);
         setAlwaysOnTop(true);

src/com/dmdirc/addons/ui_swing/components/frames/InputTextFrame.java

@@ -379,7 +379,7 @@ public abstract class InputTextFrame extends TextFrame implements InputWindow,
             //Clear the input field
             inputField.setText("");
             final Integer pasteTrigger = getContainer().getConfigManager().
-                    getOptionInt("ui", "pasteProtectionLimit");
+                    getOptionInt("ui", "pasteProtectionLimit", false);
             //check whether the number of lines is over the limit
             if (pasteTrigger != null && getContainer().getNumLines(text)
                     > pasteTrigger) {