Version 0.35.1

* Make regex patterns greedier, to avoid perl stack overflows
  -- bug #353403 (Joerg Sonnenberger)
* Add code to detect DATADIRNAME
  -- bug #345255 (Loïc Minier)
* Support older/non-GNU versions of diff when validating tests
  -- bug #345114 (Tim Mooney, Rodney Dawes)
* Add new mode to support quoted text in any file (Chris Lahey, Rodney Dawes)
* Fix the warning message for missing IT_PROG_INTLTOOL and error out
  -- bug #341985 (Rodney Dawes)