Fix missing documentation for many clock faces:

* Move from .c to .h as needed for consistency.
* When missing from both, copy from pull request or wiki.
* When missing entirely, infer functionality from source code.

movement/watch_faces/complication/planetary_time_face.h

@@ -26,12 +26,11 @@
 #ifndef planetary_time_face_H_
 #define planetary_time_face_H_
 
-#include "movement.h"
-#include "sunrise_sunset_face.h"
-
 /*
+ * PLANETARY TIME face
+ *
  * BACKGROUND
-
+ *
  * Both the 24 hour day and the order of our weekdays have quite esoteric roots.
  * The ancient Egyptians divided the day up into 12 hours of sunlight and 12 hours
  * of night time. Obviously the length of these hours varied throughout the year.
@@ -77,6 +76,9 @@
  * watch face to work properly!)
  */
 
+#include "movement.h"
+#include "sunrise_sunset_face.h"
+
 typedef struct {
     // Anything you need to keep track of, put it here!
     uint32_t phase_start;