set default avatar to contact_dark.png, removed active/inactive avatar

switching

widget/friendwidget.cpp

@@ -45,7 +45,7 @@ FriendWidget::FriendWidget(int FriendId, QString id)
     setLayoutDirection(Qt::LeftToRight); // parent might have set Qt::RightToLeft
 
     avatar = new MaskablePixmapWidget(this, QSize(40,40), ":/img/avatar_mask.png");
-    avatar->setPixmap(QPixmap(":img/contact.png"));
+    avatar->setPixmap(QPixmap(":img/contact_dark.png"));
     name.setText(id);
     //statusPic.setAlignment(Qt::AlignHCenter);
     statusPic.setPixmap(QPixmap(":img/status/dot_away.png"));
@@ -140,8 +140,6 @@ void FriendWidget::setAsActiveChatroom()
     QPalette pal3;
     pal3.setColor(QPalette::Background, Qt::white);
     this->setPalette(pal3);
-    if (isDefaultAvatar)
-       avatar->setPixmap(QPixmap(":img/contact_dark.png"));
 }
 
 void FriendWidget::setAsInactiveChatroom()
@@ -160,9 +158,6 @@ void FriendWidget::setAsInactiveChatroom()
     QPalette pal3;
     pal3.setColor(QPalette::Background, QColor(65,65,65,255));
     this->setPalette(pal3);
-
-    if (isDefaultAvatar)
-        avatar->setPixmap(QPixmap(":img/contact.png"));
 }
 
 void FriendWidget::updateStatusLight()