Preinstall sbt 0.12.3 (but default remains 0.12.2)

Note: we should consider remove some 0.11.x if usage decreases
Sphinx 0.9.9 is outdated and no more online

Sphinx Technologies has removed 0.9.x packages (more than 4 years old)
from their download site. Release 1.10-beta is still online, but
recommended releases are now 2.0 and 2.1.
Add (very tolerant) foodcritic linter

Cookbooks unchanged, all failing FCxxx tags allowed for now...
Foodcritic: enable rule FC042

Prefer 'include_recipe' to 'require_recipe' (deprecated)
Foodcritic: Don't check 'readme' rules
Add metadata.rb for use with librarian-chef
Remove FC031; all cookbooks have metadata files
Merge pull request #170 from hiremaga/add-metadata

Add very simple metadata.rb to enable FC031 check
(and make librarian-chef and berkshelf happier)
update elasticsearch to 0.90.1
update phantomjs to 1.9.1
create and alias for go1.0 => go1.0.3
update version of cassandra to 1.2.5
never forget a ,, ok!
update the 5.14 and 5.16 perl patch versions
oops, perl 5.12 also got an update
removing the mirrors for now

our VMs are based in the US and our mirrors in the EU, which doesn't make a huge amount of sense right now, we are looking at fixing that soon though
added perl 5.19
MERGING ALL THE THINGS

Merge branch 'master' into mm-cassandra-ipv6

Conflicts:
	ci_environment/cassandra/attributes/default.rb
Merge pull request #174 from travis-ci/mm-cassandra-ipv6

Add option to disable Cassandra's IPv4 stack preference.
damn you ,!