Rename role_spec.pp to role_spec.rb
Rename tablespace_spec.pp to tablespace_spec.rb
Include location in postgresql::tablespace test

Signed-off-by: Ken Barber <ken@bob.sh>
Fix travis.yml

Signed-off-by: Ken Barber <ken@bob.sh>
Merge branch 'rename_test_files'

* rename_test_files:
  Fix travis.yml
  Include location in postgresql::tablespace test
  Rename tablespace_spec.pp to tablespace_spec.rb
  Rename role_spec.pp to role_spec.rb