FMod - Tour complete

Today I hammered out the remainder of the Abiathar tour. The first stop I implemented today asks the user to switch to the foreground tileset and pick a tile from it. To watch for that happening, I introduced a watchdog plane for the tile palette. The next task was to try a different tool: the Copier. To watch for the current tool being changed, the tour extension subscribes to the text-changed event of the current tool label - not the most elegant solution, but simple and effective. The tour then asks the user to copy an area and paste it elsewhere. To finish up, it asks the user to switch back to the familiar Tile Placer, test the undo feature, and activate contextual help for more detailed assistance on any tool.