new test harness for pdf to pdf/a validation and conversion
test packages for pdf/a test harness
Merge branch 'master' of github.com:daitss/core

* 'master' of github.com:daitss/core:
  #700 remove-accidental inclusion of test code
  #700 dissemination packages in account subdir,  dips not displaying on package page
  #735 error message  missing line numbers
  #734 255 truncation may cause non utf-8 strings