Address "unused dependencies" warnings (fix #174)

It still shows `macro-debugger`, `cover` and `cover-coveralls` as
unused. There doesn't seem to be a good way around this for the
moment.

(done in today's meeting)

qi-doc/scribblings/forms.scrbl

@@ -2,6 +2,7 @@
 @require[scribble/manual
          scribble-abbrevs/manual
          scribble/example
+         metapict ; technically only used dynamically, but adding here for info deps
          "eval.rkt"
          @for-label[(only-space-in qi qi)
                     racket]]

qi-lib/info.rkt

@@ -5,6 +5,9 @@
 (define deps '("base"
                ("fancy-app" #:version "1.1")
                "syntax-spec-v2"
+               ;; we do need this, but it does need to be
+               ;; dynamic-require'd, so raco doesn't see
+               ;; it as a compile-time dependency
                "macro-debugger"))
 (define build-deps '())
 (define clean '("compiled" "private/compiled"))

qi-sdk/info.rkt

@@ -7,13 +7,18 @@
                "adjutor"
                "cli"
                "math-lib"
-               "collections-lib"
                "relation-lib"
                "csv-writing"
                "require-latency"
-               "vlibench"
+               ;; these are only used via `raco` in the Makefile,
+               ;; and so they don't appear as dependencies of the
+               ;; modules in this package but they are still needed
                "cover"
                "cover-coveralls"))
-(define build-deps '())
+(define build-deps '("vlibench"
+                     "scribble-lib"
+                     "scribble-math"
+                     "srfi-lite-lib"))
+(define module-suffixes '(#"scrbl"))
 (define clean '("compiled" "private/compiled"))
 (define pkg-authors '(countvajhula))