C4 week 5.4 definitions.

Flare the star, dixie daisy, round the horn, clover the horn, erase,
more 'swing chain' calls, clover the wave, remember the alamo, break
the alamo, tap the <anyone>.

Includes four test cases.  The `c4-calls-5.4` one doesn't yet work because
we have breaking issues on `centers girls kick off` from a 45-degree
rotated formation.