Add uk.ask.com

sample url:
http://uk.ask.com/web?q=Moving+Contacts+From+Nokia+to+iphone+avforums&search=&qsrc=0&o=312&l=dir
Merge pull request #11 from 235/patch-1

Add uk.ask.com
Add clusty.com based on infospace

sample url: 
http://www.clusty.com/search?input-form=clusty-simple&v%3Asources=webplus-ns-uf&v%3Aproject=clusty-original&query=Orange+being+dificult+when+unlocking+iPhone+4S+avforums
Merge pull request #12 from 235/patch-2

Add clusty.com based on infospace
Add dogpile.com may have www. subdomain
Merge pull request #14 from 235/patch-3

Add dogpile.com may have www. subdomain
Updated search.yml in sub-folders following updates to master copy
Update README.md

Fixed outdated dependency definition in the readme
Merge pull request #15 from shanemoriah/master

Maven dependency definition out of date
Fixed bug in Scala installation