Use standard repository for zeromq
Update 1.9.3, and add package-updates cookbook
Update Ruby versions
Updated nodejs to 0.10.33
Put back Ruby 2.1.1 and 2.1.2
Add jq to standard image
Use system_info utility to save interesting info

Standardize on our own system_info utility, which will be
checked out by the cookbook of the same name into
`/usr/local/system_info`.

The output will be put in file /usr/share/travis/sytem_info,
where travis-build expects to find (and `cat`) it.
Fix up system_info command sequence
Merge pull request #12 from GrahamCampbell/patch-1

Updated nodejs to 0.10.33
Remove Trusty-only templates

There shouldn't be any difference now.
Merge branch 'master' of github.com:travis-ci/travis-images
Merge branch 'master' of github.com:travis-ci/travis-images
Merge branch 'master' of github.com:travis-ci/travis-images
Update system_info on every image provisioning
Drop MRI 2.1.1 and add 2.1.5
Move Cookbooks SHA responsibility to VmProvisoner

And pass Cookbooks SHA to system_info, as required
Generate JSON output from system_info to predefined location
Update Ruby 2.2.0 to preview2
Require image_creation

So that `::Travis::CloudImages::Cli::ImageCreation::DEFAULT_DIST`
resolves correctly.
allow the templates_path to be set