engine, except when running with sql_mode & MYSQL323. (Bug #6659)

  added syntax:
  'show variables where', 'show status where', 'show open tables where'

Updated test results after adding max_user_connections column
to mysql.user table.

  Implement fine-grained control over access to stored procedures
  Privileges are cached (same way as existing table/column privs)
  

changed field names in 'collations' table(discussed with PGulutzan)

Add support for VARCHAR with 1 or 2 length bytes
Enable VARCHAR packing in MyISAM files (previous patch didn't pack data properly)
Give error if we got problems in temporary tables during a SELECT
Don't use new table generated by ALTER TABLE if index generation fails
Fixed wrong call by range_end() (Could cause an ASSERT in debug mode)

mysqldump skips information_schema db
'use' now can use information_schema db
changed value of column 'Null' to 'NO' if column is not nullable

Fixed compiler warnings
String results in CREATE ... SELECT are now created as CHAR(0), VARCHAR(X) or TEXT() depending on item->max_length

Fix for bug#6756: Crash if SHOW INDEX

'information_schema' test is splitted because of innodb  

Fixed bug 'using of alias with information schema tables in views'
removed compiler warnings

fixed bug: "create view v7 as select * from information_schema.tables;" failed

fix for 'show create schema_table'
fix for usage schema tables in subselect
'wrong schema table charset' fix

code cleanup

WL#173:  Create Data Dictionary Tables for SHOW Commands