Rework the Account Popup Widget

Fixed Account Popup Widget Follow/Unfollow
Ignoring now also works, but doesn't have the ability to unignore

Add a URL Delete method to the network manager

Fixes #235

src/widgets/helper/channelview.cpp

@@ -787,7 +787,6 @@ void ChannelView::mouseReleaseEvent(QMouseEvent *event)
             auto user = link.getValue();
             this->userPopupWidget.setName(user);
             this->userPopupWidget.move(event->screenPos().toPoint());
-            this->userPopupWidget.updatePermissions();
             this->userPopupWidget.show();
             this->userPopupWidget.setFocus();