Use the prepared statement performance schema if available (#960)
Use the prepared statement performance schema if available (#960)

Possibly resolves #937 
brianmario/mysql2,sodabrew/mysql2,jeremy/mysql2,kamipo/mysql2,bigcartel/mysql2,brianmario/mysql2,bigcartel/mysql2,kamipo/mysql2,bigcartel/mysql2,kamipo/mysql2,brianmario/mysql2,jeremy/mysql2,bigcartel/mysql2,sodabrew/mysql2,sodabrew/mysql2,kamipo/mysql2,jeremy/mysql2