Moved out creation of performance schema tables from mysql_system_tables.sql as
the performance_tables creation scripts needs a working mysql.proc to work.

client/mysql_upgrade.c:
  Added option -V, --version
debian/dist/Debian/mariadb-server-5.5.files:
  Added mysql_performance_tables.sql
debian/dist/Ubuntu/mariadb-server-5.5.files:
  Added mysql_performance_tables.sql
mysql-test/lib/v1/mysql-test-run.pl:
  Added mysql_performance_tables.sql
mysql-test/mysql-test-run.pl:
  Added mysql_performance_tables.sql
scripts/CMakeLists.txt:
  Moved out creation of performance schema tables from mysql_system_tables.sql 
  as the performance_tables creation scripts needs a working mysql.proc to work
scripts/mysql_install_db.sh:
  Added mysql_performance_tables.sql
scripts/mysql_performance_tables.sql:
  Moved out creation of performance schema tables from mysql_system_tables.sql 
  as the performance_tables creation scripts needs a working mysql.proc to work
scripts/mysql_system_tables.sql:
  Move creation of performance schema tables to mysql_performance_tables.sql
  Added 'flush tables' to get things to work if someone deletes a table like mysql.proc before run
scripts/mysql_system_tables_fix.sql:
  ove performance table things to mysql_performance_tables.sql
storage/perfschema/pfs.cc:
  Fixed comment