Pagespeed enabled in nginx-extras. Close #30
Fix sql insert issue with MySQL

The SQL library sets autocommit 0, but never does a commit trans, so the
rows are never inserted into the db.
This change fixes the Stop Insert function and now does a commit.
Nginx 1.4.0 - Squeeze

  * SPDY enabled in nginx-full, nginx-passenger and nginx-extras
  * HTTP Gunzip enabled in nginx-extras
  * Pagespeed enabled in nginx-extras. Close #30
  * minor upgrades : headers-more, echo, Lua, Push stream, Pinba, Passenger