Added some documentation for Widget::mouseFocus attribute.
Added Widget::signalrightclicked plus implementation.
Fixed defines in widget.hpp.
Fixed spelling mistake in guihandler.hpp
Added GuiHandler getter for deploywindow and ingamewindow.
BoardWidget constructor now takes an instance pointer of GuiHandler to initialize.
Pointer to Engine is now passed to the BoardWidget.
DeployWindow::placeEntity() and moveUnit() are now public.
Enabled debug symbols in CMakeLIsts.txt (added -g flag)
GuiHandler creates boardwidget after deploy and ingame windows to resolve null pointer bug.
BoardWidget now holds pointer to deploywindow.
Added BoardWidget::leftClicked() slot.
Added BoardWidget::rightClicked() slot.