(maint) Use explicit path to rake when running PE console rake tasks

Bundler and/or rake gets confused when we aren't explicit.
(maint) Make the 'database' host available in 3.2 answers gen

Because answers gen does not have access to normal beaker context, the
special hosts need to be made available explicitly.
(maint) Add test for the 3.2 upgrade answers generation
Merge pull request #134 from branan/fix_32_answers_gen

(maint) Make the 'database' host available in 3.2 answers gen
Merge pull request #132 from branan/pe_rake_explicit_path

(maint) Use explicit path to rake when running PE console rake tasks
create beaker 1.6.1 gem
Merge pull request #135 from anodelman/make-gem

create beaker 1.6.1 gem
(maint) Re-Allow an array of hosts in apply_manifest_on

Before it was refactored, apply_manifest_on allowed an array of
hosts. The Puppet acceptance tests rely on this behavior, so we need
to re-introduce it.
Merge pull request #136 from branan/apply_manifest_on_array

(maint) Re-Allow an array of hosts in apply_manifest_on
create beaker 1.6.2 gem
Merge pull request #137 from anodelman/make-gem

create beaker 1.6.2 gem
(maint) Add new patterns to gitignore

Added new patterns to gitignore for IDEA, rbenv, and vagrant files and
folders. The tmp directory patterns were reduced from two to one.
Merge pull request #138 from colinPL/gitignore_add_patterns

(maint) Add new patterns to gitignore
(maint) apply_manifest_on should still return a value when operating on an array
Merge pull request #140 from branan/boy_do_i_suck

(maint) apply_manifest_on should still return a value when operating on ...