update: untap/retap formulae before/after pull.

This should fix problems like #19799 where we pull formulae from taps
into core. I want to get something similar merged ASAP so we can pull
GCC into core (see #20678).

Closes #19799.
update: handle realpath exception.
Remove formulae moved to homebrew-science
gdal: optional netcdf dep is in homebrew-science
gmp: add bottles.
isl: add bottles.
cloog: add bottles.
jack: fix comment indentation.
jack: add plist.
gtkspell3 3.0.3

Closes #22582.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
add S3DownloadStrategy

downloads tarballs from public and private S3 buckets

Closes #22779.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
midicsv 1.1

Closes #21554.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Ceylon 1.0 beta

Closes #22791.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
msktutil 0.5

msktutil is a program for interoperability with Active Directory that can:

* Create a user or computer account in Active Directory
* Create a system Kerberos keytab
* Add and remove principals to and from that keytab
* Change the user or computer account's password

Closes #22802.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
brag 1.4.3

Brag is a tool to collect and assemble multipart binary attachements from
newsgroups. The implementation is bulletproof; ideal to run as a cron job.
Supports uuencode, base64 and yenc encoded messages, and filtering based on
subject.

Closes #22798.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
sbuild 0.4.0

A scala-based build system

Closes #20244.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
sbuild 0.6.0
john: --jumbo fails with clang 500 too

Closes #22500.
node 0.10.19
glib 2.38.0