add reconnect button for connection settings

some ui guru should make it not stretch to width

src/widget/form/settings/generalform.cpp

@@ -20,6 +20,7 @@
 #include "src/widget/widget.h"
 #include "src/misc/settings.h"
 #include "src/misc/smileypack.h"
+#include "src/core.h"
 #include <QMessageBox>
 #include <QStyleFactory>
 
@@ -85,6 +86,7 @@ GeneralForm::GeneralForm(SettingsWidget *myParent) :
     connect(bodyUI->cbUseProxy, &QCheckBox::stateChanged, this, &GeneralForm::onUseProxyUpdated);
     connect(bodyUI->styleBrowser, SIGNAL(currentTextChanged(QString)), this, SLOT(onStyleSelected(QString)));
     connect(bodyUI->autoAwaySpinBox, SIGNAL(editingFinished()), this, SLOT(onAutoAwayChanged()));
+    connect(bodyUI->reconnectButton, &QPushButton::clicked, this, &GeneralForm::onReconnectClicked);
 }
 
 GeneralForm::~GeneralForm()
@@ -178,6 +180,15 @@ void GeneralForm::onUseProxyUpdated()
     Settings::getInstance().setUseProxy(state);
 }
 
+void GeneralForm::onReconnectClicked()
+{
+    if (Core::getInstance()->anyActiveCalls())
+        QMessageBox::warning(this, tr("Call active", "popup title"),
+           tr("You can't disconnect while a call is active!", "popup text"));
+    else
+        emit Widget::getInstance()->changeProfile(Settings::getInstance().getCurrentProfile());
+}
+
 void GeneralForm::reloadSmiles()
 {
     QList<QStringList> emoticons = SmileyPack::getInstance().getEmoticons();

src/widget/form/settings/generalform.h

@@ -45,7 +45,7 @@ private slots:
     void onSetStatusChange();
     void onAutoAwayChanged();
     void onSetMinimizeToTray();
-    
+    void onReconnectClicked();
 
 private:
     Ui::GeneralSettings *bodyUI;

src/widget/form/settings/generalsettings.ui

@@ -341,6 +341,13 @@
             </item>
            </layout>
           </item>
+          <item>
+           <widget class="QPushButton" name="reconnectButton">
+            <property name="text">
+             <string comment="reconnect button">Reconnect</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>