Stop testing on 2.7.0

2.7.0 was end-of-lifed. We don't need to have tests fail on it anymore.
Beaker tests for vhost and policy

Adds a beaker tests for rabbitmq_policy and tests vhost while its
there. Also removes the saucy nodeset because saucy is super EOL.
Also removes some errant whitespace I found.
Improve rabbitmq type acceptance tests

This patch adds checks for idempotency and improves the shell command
syntax to contain one test at a time and use rspec tools to check
output and exit codes.
Merge pull request #2 from cmurphy/fix_266

Improve rabbitmq type acceptance tests
Merge pull request #266 from nibalizer/beaker_vhost

Beaker tests for vhost and policy
Installation of the rabbitmqadmin script fails when SSL is enabled. This is fixed by using ::ssl_management_port when SSL is enabled.

Conflicts:
	manifests/install/rabbitmqadmin.pp
Merge pull request #263 from cmurphy/update_travis

Stop testing on 2.7.0
Merge pull request #280 from cmurphy/ssl

Installation of the rabbitmqadmin script fails when SSL is enabled. This...