Run Travis tests with PERL_USE_UNSAFE_INC=0
Run Travis tests with PERL_USE_UNSAFE_INC=0

This makes sure that Test::Harness doesn't set PERL_USE_UNSAFE_INC to 1
and that the tests are actually run without . in @INC.

apache/lucy,nwellnhof/lucy,apache/lucy,apache/lucy,apache/lucy,nwellnhof/lucy,nwellnhof/lucy,nwellnhof/lucy,nwellnhof/lucy,nwellnhof/lucy,apache/lucy,apache/lucy,apache/lucy,nwellnhof/lucy