Support erlang 17.2 and 17.3 with kerl
add ssh.github.com known_hosts
Updated php 5.4.32 to 5.4.33 and 5.5.16 to 5.5.17
Updated php rabbitmq-c from 0.5.1 to 0.5.2
Updated hhvm from 3.2.0 to 3.3.0
Updated nodejs from 0.10.29 to 0.10.32
Update memcached for PHP >= 5.3

memcached-2.2.0 is not compatible with 5.2.
Related to travis-ci/travis-ci#2743.
Merge branch 'php' of https://github.com/GrahamCampbell/travis-cookbooks
Merge branch 'rabbitmq' of https://github.com/GrahamCampbell/travis-cookbooks
Merge branch 'hhvm' of https://github.com/GrahamCampbell/travis-cookbooks
Ensure libmemcached is installed for PHP memcached extion 2.2.0.
Merge pull request #382 from GrahamCampbell/node

Updated nodejs from 0.10.29 to 0.10.32
Revert "Revert "Invoke perlbrew-installer with bash""

See https://github.com/gugod/App-perlbrew/issues/407

This reverts commit ce3f067b6ad34dfd27c73cccbd7c2185f4ab704a.
Update nvm to v0.17.0
Merge pull request #383 from ljharb/update_to_nvm_0_17_0

Update nvm to v0.17.0
Add PyPy 2.4.0, make it the default
Merge pull request #384 from alex/patch-3

Add PyPy 2.4.0, make it the default
Tweak libstemmer in Sphinx

Fixes https://github.com/travis-ci/travis-ci/issues/2804

Edit libstemmer's Makefile.in so that it can be used while compiling
Sphinx.
This is a bit of a hack, admittedly. It is not quite clear how
we should address this issue long-term when either libstemmer or Sphinx
make changes, but for now, this is good enough to keep things
going.
Update nvm to v0.17.1

Fixes an issue in zsh with some spurious `nvm alias` output.
Merge pull request #385 from ljharb/update_to_nvm_0_17_1

Update nvm to v0.17.1