message: Add size grip to bottom left and right corner in order to make the resize easier
diff: #include <QToolBar>
  #include <QVBoxLayout>
  #include <QDockWidget>
  +#include <QSizeGrip>
  #if QT_VERSION < 0x050000
  #include <QTextDocument>
  @@ -202,15 +203,17 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *_platformStyle, const NetworkStyle *
  // Create status bar
  statusBar();
  - // Disable size grip because it looks ugly and nobody needs it
  - statusBar()->setSizeGripEnabled(false);
  + // Enable the size grip (right size grip), add new size grip (left size grip) and set the status bar style
  + statusBar()->setSizeGripEnabled(true);
  + statusBar()->addWidget(new QSizeGrip(statusBar()));
  + statusBar()->setStyleSheet("QSizeGrip { width: 3px; height: 25px; border: 0px solid black; } \n QStatusBar::item { border: 0px solid black; }");
  // Status bar notification icons
  QFrame *frameBlocks = new QFrame();
  frameBlocks->setContentsMargins(0,0,0,0);
  frameBlocks->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
  QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
  - frameBlocksLayout->setContentsMargins(3,0,3,0);
  + frameBlocksLayout->setContentsMargins(3,0,0,0);
  frameBlocksLayout->setSpacing(3);
  unitDisplayControl = new UnitDisplayStatusBarControl(platformStyle);
  labelWalletEncryptionIcon = new QLabel();
  