nginx: bump revision for OpenSSL security.
openconnect: bump revision for OpenSSL security.
ruby: bump revision for OpenSSL security.
tor: bump revision for OpenSSL security.
nginx: update 1.4.7 bottle.
openconnect: update 5.99 bottle.
tor: update 0.2.4.21 bottle.
mysql: update 5.6.17 bottle.
ruby: update 2.1.1 bottle.

Closes #28272.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Revert "closure-compiler: requires Java 7"

This reverts commit 8bca3b24ea4256444fadc78f67d3a7eb9ad3b63d.
Updated pari formula to use v2.5.5, fixes #28273
pari: add 2.5.5 bottle.