Update pbuilderrc for new PE repos

We're changing the location of our PE repos, so we need to update pbuilderrc
for dependencies.

Signed-off-by: Moses Mendoza <moses@puppetlabs.com>
Merge pull request #24 from MosesMendoza/update_for_new_vhost

Update pbuilderrc for new PE repos
Update PE repo url to reflect sub-suites
Merge pull request #25 from MosesMendoza/update_for_new_vhost

Update PE repo url to reflect sub-suites