Update rabbitmq to 3.0.4

Major changes in 3.0.0:
- Policy-based configuration of mirroring and federation
- Revamped clustering commands
- Web-STOMP and MQTT plug-ins
- Per-message TTL

Too many bugfixes since 2.8.2, please see individual changelogs:

http://www.rabbitmq.com/changelog.html
Update rabbitmq to 3.1.0.

Notable changes:
 - eager synchronisation of mirror queue slaves;
 - automatic cluster partition healing;
 - improved statistics (including charts) in the management plugin;
 - many smaller new features, bug fixes and performance improvements.

See release notes for full changelog:

http://www.rabbitmq.com/release-notes/README-3.1.0.txt
Update py-pytables to 2.4.0.

Major changes in 2.4:
- Improved HDF5 error logging management.
- Added support for the float16 data type.
- Leaf nodes now have attributes for retrieving the size of data in memory
  and on disk.
- Configurable maximum number of threads for Blosc and Numexpr.
- ndim (read-only) attribute added to Leaf, Atom and Col objects.
- Added read support for variable length string attributes.

Full changelog for 2.4.0, see:

  http://pytables.github.io/release-notes/RELEASE_NOTES_v2.4.x.html

Major changes in 2.3:

- Integrated functionality from PyTablesPro (re-licensed under a BSD license).
- OPSI is a powerful and innovative indexing engine allowing PyTables
  to perform fast queries on arbitrarily large tables.
- A fine-tuned LRU cache for both metadata (nodes) and regular data.

Full changelog for 2.3.x, see:

  http://pytables.github.io/release-notes/RELEASE_NOTES_v2.3.x.html
Merge branch 'joyent/feature/miscfix/2013Q1' into joyent/release/2013Q1
Update wip submodule
Add MySQL 5.0 back, still supported in pkgsrc
Merge remote-tracking branch 'github/joyent/feature/pbulkmulti/2013Q1' into joyent/release/2013Q1