Libraries: Create top level directory for libraries.

Things were getting a little crowded in the project root, so this patch
moves the Lib*/ directories into Libraries/.

Libraries/LibGUI/Makefile

@@ -0,0 +1,89 @@
+include ../../Makefile.common
+
+SHAREDGRAPHICS_OBJS = \
+    ../../SharedGraphics/Painter.o \
+    ../../SharedGraphics/StylePainter.o \
+    ../../SharedGraphics/Font.o \
+    ../../SharedGraphics/Rect.o \
+    ../../SharedGraphics/GraphicsBitmap.o \
+    ../../SharedGraphics/CharacterBitmap.o \
+    ../../SharedGraphics/Color.o \
+    ../../SharedGraphics/PNGLoader.o
+
+LIBGUI_OBJS = \
+    GPainter.o \
+    GButton.o \
+    GCheckBox.o \
+    GEventLoop.o \
+    GLabel.o \
+    GTextBox.o \
+    GScrollBar.o \
+    GStatusBar.o \
+    GWidget.o \
+    GLayout.o \
+    GBoxLayout.o \
+    GMenuBar.o \
+    GMenu.o \
+    GMenuItem.o \
+    GApplication.o \
+    GAction.o \
+    GFontDatabase.o \
+    GToolBar.o \
+    GTableView.o \
+    GModel.o \
+    GVariant.o \
+    GShortcut.o \
+    GTextEditor.o \
+    GClipboard.o \
+    GSortingProxyModel.o \
+    GStackWidget.o \
+    GScrollableWidget.o \
+    GMessageBox.o \
+    GInputBox.o \
+    GDialog.o \
+    GDesktop.o \
+    GProgressBar.o \
+    GAbstractView.o \
+    GItemView.o \
+    GIcon.o \
+    GFrame.o \
+    GTreeView.o \
+    GFileSystemModel.o \
+    GFilePicker.o \
+    GDirectoryModel.o \
+    GSplitter.o \
+    GSpinBox.o \
+    GGroupBox.o \
+    GSlider.o \
+    GResizeCorner.o \
+    GTabWidget.o \
+    GRadioButton.o \
+    GAbstractButton.o \
+    GListView.o \
+    GComboBox.o \
+    GWindow.o
+
+OBJS = $(SHAREDGRAPHICS_OBJS) $(LIBGUI_OBJS)
+
+LIBRARY = libgui.a
+DEFINES += -DUSERLAND
+
+all: $(LIBRARY)
+
+$(LIBRARY): $(OBJS)
+	@echo "LIB $@"; $(AR) rcs $@ $(OBJS)
+
+.cpp.o:
+	@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<
+
+-include $(OBJS:%.o=%.d)
+
+clean:
+	@echo "CLEAN"; rm -f $(LIBRARY) $(OBJS) *.d
+
+install: $(LIBRARY)
+	mkdir -p ../Root/usr/include/LibGUI
+	# Copy headers
+	rsync -r -a --include '*/' --include '*.h' --exclude '*' . ../Root/usr/include/LibGUI
+	# Install the library
+	cp $(LIBRARY) ../Root/usr/lib