Remove stderr from stdout

Sometimes there are lib errors on platforms with malformed packages.
This shouldn't cause the facts to completely fail.
Fix issue with puppet_module_install, removed and using updated method from beaker core copy_module_to
Merge remote-tracking branch 'upstream/master' into 1.7.x-merge

Conflicts:
	lib/facter/apt_package_updates.rb
	lib/facter/apt_security_updates.rb
	lib/facter/apt_updates.rb
Fix tests to reflect behavior fixed on 1.7.x

The facts don't really work with 2>&1 in the case of an error, so you
want 2>/dev/null instead.
Merge pull request #377 from mhaskel/1.7.x-merge

Merge master back into 1.7.x
1.7.0 prep
Merge pull request #378 from mhaskel/1.7.0-prep

1.7.0 prep
Merge pull request #380 from mhaskel/test

merge 1.7.x into master