sql/sql_acl.cc:
  Fix for a grant bug.
  If there is a table privilege, for which no column privileges 
  are defined , and the same privilege is granted for a column, 
  new code prevents that table privilege is reduced to a column
  privilege.
  
  To accomplish that, now a REVOKE command has to be used first.
sql/sql_parse.cc:
  SCRUM TASK No 1.
  
  Adding support for INSERT .. SELECT with a table in the join
  that is to be inserted into.
  
  test case pending.
sql/sql_union.cc:
  Changing behaviour for SQL_OPTION_FOUND_ROWS in unins.
sql/sql_yacc.yy:
  SCRUM TASK no 2.
  
  Making CREATE and INSERT to work with any UNION>