MySQL authentication with user@host

MySQL authentication with user@host: user, host and pass word are
loaded from backend servers.
Host is currently handled as IPv4 address
MySQL authentication with user@host, resolved compile errors

MySQL authentication with user@host, resolved compile errors
uh_cmpfun: resolved error in NULL check

uh_cmpfun: resolved error in NULL check
set dcb->ipv4 for mysql user@host authentication

set dcb->ipv4 for mysql user@host authentication
Added localhost check in gw_find_mysql_user_password_sha()

Added localhost check in gw_find_mysql_user_password_sha1().
The wilcard check is skipped if user@localhost failed
Added test file for mysql authentication (user@host, passwd)

Added test file for mysql authentication (user@host, passwd)

make -f ./makefile.mysql_users testall
Merge for Fix MySQL 5.1 server handshake
Merge "Traffic is routed to the master if no slaves available". Fix bug-129
Added USERS_HASHTABLE_SIZE

Added USERS_HASHTABLE_SIZE,  default size is 52
Merge branch 'feature-MAX-2' into develop
branch 'develop' updated from 'master'
Support for mysql session variable commands, for example, SET AUTOCOMMIT=0
Session commands are identified by query clasisfier, and added to the session command property list in router client session object.
Session commands are then executed in existing backend servers but only one of them will reply to client.
Fixed Project Name in doxygate file
Develop branch updated from Master
Fix for bug 127 and 345 as part of it

Fix for bug 127 and 345 as part of it
http://bugs.skysql.com/show_bug.cgi?id=127
http://bugs.skysql.com/show_bug.cgi?id=345
Merge branch 'fix-127' into feature-MAX-2

Conflicts:
server/core/dbusers.c
server/core/service.c
server/core/users.c
server/include/dbusers.h
server/include/users.h
server/modules/protocol/mysql_client.c
server/modules/protocol/mysql_common.c
Compile errors fixed

Compile errors fixed
Removed extra header file inclusion

Removed extra header file inclusion
Files updated for user@host mysql auth

Files updated for user@host mysql auth
Branch updated from develop

Branch updated from develop