Add fpm support for php 5.2

Adds fpm support for php 5.2 and hides mkdir error on resource
@GM-Alex is your phpbrew system-wide installed?

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Not related to this PR, but I think https://github.com/phpbrew/phpbrew/blob/fpm-support-php52/shell/bashrc#L26 is wrong. It should be:

```bash
[[ -z "$PHPBREW_BIN" ]] && export PHPBREW_BIN="$PHPBREW_ROOT/bin"
```