[CM] Snd 16.3

[bil at ccrma.Stanford.EDU]

Snd 16.3

added s7 profiler if WITH_PROFILE is set, profile.scm.
moved multiple-value-set! macro to stuff.scm
port-line-number is settable (for fancy #readers)
*cload-directory* (a string) for cload output files (default is "")
removed quasiquoted vector support (it was disabled by default)

checked: gtk 3.19.7|8|9, sbcl 1.3.2

Thanks!: Kjetil Matheussen, Nando, IOhannes m zm?lnig, Mike Scholz.

(all my time goes to lint.scm)