bzr push into mysql-trunk branch (harin.vadodaria:4415 to 4416) WL#6486

[Harin Vadodaria]

 4416 Harin Vadodaria	2012-09-04
      wl#6486 : Refactoring user management code
                (authentication / authorization)
      
      Description : Initial refactoring.
                    1. Moved sql_acl.h sql_acl.cc
                    and password.cc to sql/auth dir.
                    2. Added new files for code
                    refactoring.

    removed:
      sql/password.c
      sql/sql_acl.cc
      sql/sql_acl.h
    added:
      sql/auth/
      sql/auth/auth_common.h
      sql/auth/password.c
      sql/auth/sql_acl.cc
      sql/auth/sql_acl.h
      sql/auth/sql_user.cc
      sql/auth/sql_user_cache.cc
      sql/auth/sql_user_table.cc
    modified:
      libmysql/CMakeLists.txt
      libmysqld/CMakeLists.txt
      sql/CMakeLists.txt
      storage/innobase/CMakeLists.txt
      storage/perfschema/CMakeLists.txt
 4415 Annamalai Gurusami	2012-09-03 [merge]
      Merge from mysql-5.6 to mysql-5.7. 

    modified:
      mysql-test/suite/innodb/r/innodb_4k.result
      mysql-test/suite/innodb/r/innodb_8k.result
      mysql-test/suite/innodb/t/innodb_4k.test
      mysql-test/suite/innodb/t/innodb_8k.test

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