update to latest curl release: 7.33.0

closes #1644
update gnupg to latest in master

closes #1644
update gpgme to latest in master

closes #1644
update to libgcrypt from master

They've done a ton of optimization work in assembly, including ARM.  Also,
new versions of gnupg require libgcrypt >= 1.6, which is only in master.

closes #1644
update to libgpg-error from master, libgcrypt needs it

closes #1644
update openldap to latest release 2.4.38

closes #1644
remove ".git" from submodule URLs from github.com, its unneeded

github.com does lots of nice redirection so that there is a single URL for
everything.