Merge pull request #293 from CentOS/master

update to centos 6.6, 5.11 and updates to 7
Update docker-library images

- `buildpack-deps`: added `curl` since we already had all the deps and it was a minuscule addition
- `gcc`: 4.9.2
- `java`: 7u71
- `mongo`: 2.7.8
- `mysql`: added 5.5
- `node`: NPM 2.1.6 and Node 0.10.33
- `php`: added more modules
- `rails`: 4.1.7 and Ruby 2.1.4
- `wordpress`: `php:apache` is now the official base
Added codename to latest openSUSE release

Codename added, file refactored a bit.
Added CRUX 3.1; Updated CRUX 3.0
Merge pull request #292 from infosiftr/update-docker-library

Update docker-library images
Merge pull request #289 from therealprologic/master

Updated CRUX to 3.1
Merge pull request #295 from flavio/openSUSE-13.2

Added codename to latest openSUSE release
Update Debian

There are a few updates to packages in squeeze-lts, but see also https://github.com/tianon/docker-brew-debian/issues/12.
Bump jruby dev
Remove /root/.cpanm cache directory
Merge pull request #297 from tianon/debian

Update Debian
New registry version

Added the latest (0.9) - 0.8 will receive active support for the time being, but older versions are not to receive any specific attention and users should really migrate to one of the two latest releases.
Merge pull request #298 from cpuguy83/bump_dev

Bump jruby dev
Merge pull request #299 from PeterMartini/master

Remove /root/.cpanm cache directory
Merge pull request #300 from dmp42/patch-2

New registry version
Update docker-dev for consistency with other repos

This updates us to 1.3.1 and updates the tag format to bare version numbers instead of having the "v" prefix.
Update docker-library images

- `node`: NPM 2.1.7
- `php`: cut image sizes roughly in half across the board (docker-library/php#36)
- `redis`: drop official support for versions upstream doesn't support (docker-library/redis#15)
- `wordpress`: fix `chown` issue (docker-library/wordpress#21)
CRUX: Updates to 3.0 and 3.1 packages
Merge pull request #306 from therealprologic/master

CRUX: Updates to 3.0 and 3.1 packages
Merge pull request #302 from infosiftr/update-docker-library

Update docker-library images