Applied patch for mysqlhotcopy
Fixed open-files-size option in safe_mysqld


Docs/manual.texi:
  Updated LOCK TABLES section
scripts/mysqlhotcopy.sh:
  Removed depricated DBI calls.
  Fixed bug which resulted in nothing being copied when a regexp was
  specified but no database name(s).
  Patch by Jeremy D. Zawodny
scripts/safe_mysqld.sh:
  Fixed open-files-size option