Removed unneeded YUI instances. This reduces the process memory footprint by 4 MB, from 27 MB to 23 MB at the time the first request is handled.
Removed unneeded YUI instances. This reduces the process memory footprint by 4 MB, from 27 MB to 23 MB at the time the first request is handled.

yahoo/mojito-cli-start,zhouyaoji/mojito-cli-start