[Ann] Customizing widget title and showing score

[livibetter]

I made two changes today.

* Customization of widget title

Since I noticed that BRPS is having more and more non-English blogs,
it's kind of inconsistent when showing English text in non-English
blogs, therefore I added an ability to change widget title.

You can read instructions at http://code.google.com/p/yjl/wiki/BRPS#Widget_Title

* Showing score

Now, when you hover cursor on related post links, you should be able
to read its score that indicates the relativity.

Thanks for using BRPS!