Add Martha Wild to the special thanks section
Documentation fixes
Remove XeTeX and LuaTeX stuff from package

Let the user handle this sort of thing on their own
Tweak makefile
Use consistent titlecase on dances
Update move in index
Add example dance to title page
Wrap long lines in shortcut moves

Fix \halfpromenade (wrong number of arguments)
Add example dance `East Meets West' by Martha Wild
Cleanup documentation

Change indexing on lines forward and back