(QENG-758) add ability to select a group a beaker hosts based upon...

...a set of properties

- a shortcut means of selecting a sub group of hosts to run commands on
refactor copy_root_module_to copy_module_to, also changed the behavior of puppet_module_install_on to use the PMT tool instead of copying the whole file to it
Fixed test cases and bug with copy_module_to
add alias to keep current functionality
(MAINT) Add PE 3.4 installer answers module.

Also adds spec tests.

Signed-off-by: Wayne <wayne@puppetlabs.com>
(QENG-841) don't run beaker package configuration on osx hosts

- beaker does not know how to install packages on osx, so we shouldn't
  try to
Use the DOCKER_HOST environment when present for ssh to docker server

Honor DOCKER_HOST envvar, used with boot2docker
(QENG-251) Beaker should be able to run the PE installer in debug mode

- add verbose mode for linux/mac and win installs.
- add '-x' for bash frictionless installer
- fix issue with non-UTF-8 encoded characters generated in windows logs
(QENG-846) Add timestamp to options hash.

This makes the timestamp available globally during Beaker runs so it can be used
to add files to the specific run's log directory without being confused by other
simultaneous runs of Beaker due to the use of log/latest symlink.

Signed-off-by: Wayne <wayne@puppetlabs.com>
Merge pull request #319 from waynr/feature/pe-34-answers

(MAINT) Add PE 3.4 installer answers module.
Fix broken debian installs of FOSS puppet

Previously some versions of apt would not resolve the puppet-common package
dependency for versions other than the latest release. This pins the
puppet-common package to the same version as puppet to prevent these issues.
Merge pull request #332 from waynr/feature/QENG-846-add-timestamp-to-options-hash

(QENG-846) Add timestamp to options hash.
Fix issue with run_task and invalid or undefined methods
Revert the stderr out instead of stdout for not success
(QENG-645) Add `master-start-curl-retries` to host options.

Allows per-host modification of the number of curl retries to perform when
restarting puppet master.
Merge pull request #325 from anodelman/mac-support

(QENG-841) don't run beaker package configuration on osx hosts
Merge pull request #324 from anodelman/pe-in-debug

(QENG-251) Beaker should be able to run the PE installer in debug mode
Merge pull request #329 from waynr/feature/curl-retries

(MAINT) Feature/curl retries
Merge pull request #331 from justinstoller/fix_install_puppet

Fix broken debian installs of FOSS puppet
Fix issue with relver not defined in msi installer