A number of documentation fixes.

A number of documentation fixes.

 * Short-circuit combinators now show correct stack effect for quots
 * Groups and Clumps unchecked examples corrected, made runnable in listener
 * Class operations had duplicate link to class-types
 * Protocol slots readability fixed
 * Tuple word property for "tuple-layout" corrected to "layout"
 * cond>quot sentence started in lowercase
 * Method precedence code example missing stack effect for GENERIC:, M: integer explain changed to detail an integer
 * Motivation for default streams readability
 * Default input and output streams duplicate readln link removed from output stream words section
 * Looping combinators do description clarified
 * Make philosophy missing space
 * Linear order protocol duplicate after? link removed
 * Parsing words readability fix
 * Copied note regarding with-compilation-unit from define to define-declared and define-inline