Add sampacs and swin.edu to MAJOR_CVMFS
Resolving issue #188 https://its.cern.ch/jira/projects/FTAPPDEVEL/issues/FTAPPDEVEL-188?filter=allopenissues by adding sampacs*.if.usp.br
and cvmfs-*.hpc.swin.edu.au
(Swinburne) to the MAJOR_CVMFS list to allow CVMFS connection to these sites when connections are restricted.