Allow user to choose which layouts to cycle over

[qsmodo]

For people who use only a couple of favorite layouts, it might be worth to have one single keybinding to cycle through them. This allows choosing them with a new macro which defaults to all layouts for backwards compatibility.

#define CYCLE_MODES (TILE|MONOCLE|BSTACK|GRID|FIBONACCI|DUALSTACK|EQUAL)

The keybindings to jump directly to one of the modes still work regardless of CYCLE_MODES value.