ctest export: smal improvements

1.) Use of regex to ignore group of tests
2.) If default output format is pdf2(pdflatex), the try to check also
  for xelatex and lualatex
sv.po: fix a translation bug #7830
Include child's own authors when using BufferParams from master.
Fix typo in configFunctions.h (wrong define for the header)
Merge branch 'master' of git://git.lyx.org/lyx into my_two_cents

# By Benjamin Piwowarski (1) and others
# Via Benjamin Piwowarski
* 'master' of git://git.lyx.org/lyx:
  Fix typo in configFunctions.h (wrong define for the header)
  Include child's own authors when using BufferParams from master.
  sv.po: fix a translation bug #7830
  ctest export: smal improvements