To get the 1.1.4 file if u need to restore just click restore in iTunes and it will download it for you automatically.
For some reason the mail iliberty site seems to be down. George Zhu who created it with aviegas has a download on his blog page.
I'm replying on my iPhone so I can't post the link but if you browse through the related iliberty threads on here I did post the link before so you will be able to find it.