mysql_tzinfo_to_sql converter was moved to extra/ directory and its build was made 
compatible with older automake versions.


extra/Makefile.am:
  mysql_tzinfo_to_sql converter was moved to extra/ directory and its build was made 
  compatible with older automake versions.
sql/Makefile.am:
  mysql_tzinfo_to_sql converter was moved to extra/ directory and its build was made
  compatible with older automake versions.
BitKeeper/etc/ignore:
  Added extra/tztime.cc extra/mysql_tzinfo_to_sql to the ignore list