* 'develop' of git.mpimet.mpg.de:libmtime: (21 commits)
  updated gitignore file.
  [divide_timespans]  remove obsolete divide... subroutines in mtime_timedelta.
  timedelta divide: no negative divisor allowed; restructured return code.
  replaced div routine in hl interface.
  add new large integer div routine to c interfaces.
  fixed return code handling.
  replaced mpz commands for multi-init and multi-deallocate by standard ones.
  somewhat more structured example output.
  added missing USE.
  added wrapper function divideTimedelta.
  fixed citation.
  Add missing deallocation.
  [divide_timespans]  implemented large integer division algorithm for (days + msecs). - not yet enabled in mtime library.
  [divide_timespans]  patched divide... interface in examples.
  Fix t_event_is_active
  Make divisionquotienttimespan visible again.
  Cleanup tabulators from Fortran sources.
  several workarounds in mtime (division of timedelta, events).
  Fix t_datetime_sub_datetime and some error handling.
  The green book says: > [...] note that > character(kankji) :: kanji_letter > is not an abbreviation fo > character(kind=kanji) :: kanji_letter
  ...