Remove cows from top-level Rakefile

We don't use this information any more now that puppetdb has switched to the
packaging repo. It was somehow added back in during the original PR merge
conflict resolution, so we need to remove it again.

Signed-off-by: Moses Mendoza <moses@puppetlabs.com>
Merge pull request #428 from MosesMendoza/maint/master/remove_cows

Remove cows from top-level Rakefile
Fix acceptance test version checking
Merge pull request #429 from cprice-puppet/maint/master/fix-acceptance-version-checking

Fix acceptance test version checking
Add debugging output
Merge pull request #430 from cprice-puppet/bug/master/acceptance-failing-because-a-does-not-equal-a

Add debugging output
Convert debian version to a string (rather than a symbol)
Support old versions of curl in acceptance tests

Certain older versions of curl don't support the --data-urlencode flag.
Because the only thing we use this flag for is to encode spaces in
queries, it's sufficient to use --data and simply remove the spaces.
Merge pull request #431 from nicklewis/old-curl

Support old versions of curl in acceptance tests