package: move source code directories into source/Gui

CMakeLists.txt

source/CMakeLists.txt

source/Gui/ArmarXGui/ArmarXGuiApp.cpp

source/Gui/ArmarXGui/ArmarXGuiApp.h

source/Gui/ArmarXGui/CMakeLists.txt

source/Gui/ArmarXGui/GuiWindow.cpp

source/Gui/ArmarXGui/GuiWindow.h

source/Gui/ArmarXGui/GuiWindow.ui

source/Gui/ArmarXGui/icons.qrc

source/Gui/ArmarXGui/icons/accessories-text-editor-6.ico

source/Gui/ArmarXGui/icons/armarx-gui.png

source/Gui/ArmarXGui/icons/arrow-right.png

source/Gui/ArmarXGui/icons/configure-3.png

source/Gui/ArmarXGui/icons/dialog-close.ico

source/Gui/ArmarXGui/icons/document-open-4.ico

source/Gui/ArmarXGui/icons/document-open-folder.png

source/Gui/ArmarXGui/icons/document-save-5.ico

source/Gui/ArmarXGui/icons/edit-add.ico

source/Gui/ArmarXGui/icons/edit-delete.ico

source/Gui/ArmarXGui/icons/games.ico