Several changes after comments from bgrins. WARNING: option variable changed

- Changed showPaletteOnlyToggle to togglePaletteOnly (be sure to change it everywhere you used it).
- Removed test for toggleLessText to be a string, this fixes a bug and improves readability.
- Cleaned up CSS -> open brackets on the same line as the selector.
- Cleaned up de docs -> removed separate toggleText and toggleLessText topics and added some extra text to togglePaletteOnly.