Closes: #1093927

Update to upstream version '2.7.0'
with Debian dir 5e8ca321de1eb89d591b7b4a943b970e0c34c1c9

Update to upstream version '2.6.0'
with Debian dir a1d8c4edde31e11ecf7dcb523c7b473a2dea89f7

Closes: #1030278

The package adds a 'puppet' user to the build environment, which is
needed for tests. Bit ugly, but anyway it reproduces better the type of
environment where this library is used anyway.

Closes: #1030256