(QENG-1018) default dev_builds_url in Beaker needs to be updated

- update to builds.delivery.puppetlabs.net
(QENG-1108) Fix chown command to use ':' rather than '.'

Signed-off-by: Wayne <wayne@puppetlabs.com>
Merge pull request #414 from waynr/feature/qeng-1108-create-tmpdir-for-user-fails

(QENG-1108) Fix chown command to use ':' rather than '.'
(QENG-1110) Beaker::DSL::EZBakeUtils bugfix

Allows arbitrary arguments to be passed to ezbake command line.

Signed-off-by: Wayne <wayne@puppetlabs.com>
Merge pull request #415 from waynr/feature/qeng-1110-install-from-ezbake-bugfix

(QENG-1110) Beaker::DSL::EZBakeUtils bugfix
(GEM) version bump for beaker 1.17.5 gem
(HISTORY) update history for beaker 1.17.5 gem
Merge pull request #417 from anodelman/make-gem

create beaker 1.17.5 gem
(GH-425) Sleep after killing processes

This avoids a race condition in which the killed processes haven't
exited by the time we try and unmount the root fs and the call to
container.delete errors.
(QENG-1134) Remove 'jvm-puppet' references left in Beaker.

Recently the `jvm-puppet` name was changed to `puppet-server`, this patch
addresses that in both `lib/` and `spec/`

Signed-off-by: Wayne <wayne@puppetlabs.com>
Merge pull request #438 from waynr/fix/qeng-1134-remove-jvm-puppet-references

(QENG-1134) Remove 'jvm-puppet' references left in Beaker.
(GEM) version bump for 1.17.6 gem
(HISTORY) update history for 1.17.6 gem
Merge pull request #441 from anodelman/make-gem

create beaker 1.17.6 gem
(QENG-1182) Add node to classifier prior to adding pe_repo class

Prior to this commit, beaker would make the assumption that a node had
already checked into the classifier. This commit changes that by
ensuring that the node is in the classifier before giving it the pe_repo
class.
Merge pull request #443 from briancain/maint/master/add-node-to-classifier

(QENG-1182) Add node to classifier prior to adding pe_repo class
(maint) Bump version for 1.17.7 release
Merge pull request #444 from branan/ship_1_17_7

(maint) Bump version for 1.17.7 release
(QENG-1186) Fix Beaker::DSL:Helpers.puppet_{user,group}

Looks like the contents of these methods were mixed upwhen originally written.
Luckily the puppet user is usually the same as the puppet group.

Signed-off-by: Wayne <wayne@puppetlabs.com>
(QENG-797) Enhance Beaker to look for x64 installers for Windows

- add ability to install 64 bit pe builds (available for pe 3.4)
- add is_x86_64? method to host, convenience method for determining arch
  of host