Remove extraneous syntax-class.
Minor optimizer cleanup.
fix "meta/props" for test-file moves
explicit flush after output intended to report progress
Fix typito in INSTALL.txt
Add ffi array-type and in-array
add catalog, source, and Mac OS X instructions to basic README

Also, include "stamp.txt" and "collects.tgz" at a build site.
fix "etc" vs. "config" in `make install' step
raco setup install: add `--source' and `--binary' modes

These flags allow a package downloaded in "built" form to be
stripped to source or binary form, which allows a single catalog
to serve three kinds of installations.
distro-build: change `#:source?' config to mean source packages, too

Use `#:source-runtime?' to make only the run-time system have
source form, while packages are pre-built.
r6rs: fix `(fl+)' and `(fl*)'

Closes PR 13922
fix `arithmetic-shift' with shifts close to `(- (expt 2 31))' on 64-bit

The bug was caused by an accidental cast of a 64-bit integer to a
32-bit integer.

Closes PR 13923
JIT repair for `(/ (most-negative-fixnum) -1)'

When I added JIT-inling of '/' for fixnums, I somehow forgot to
handle the special case that is already handled for `quotient'.
r6rs: fix `div' and `mod'

Closes PR 13925
remove file that has been moved/replaced
fix HtDP language tests
place: fix finalizaiton of place channels stuck in a GC'ed channel

Lack of ordering on finalization requires some care for explicit
clean-up actions in a finalizer.
fix a places test
fix a test
fix sandbox permissions on "links.rktd" files