Enhanced Google and Youtube search

# Changelog
  
+ Added a raw search capability on **util/google.py**
+ Added new **modules/lucky.py** with old "I'm feeling lucky" search (You'll need to add the module '**lucky**' to your **data/settings.py**)
+ Modified **modules/google.py**, now it returns the first three items form a raw google search
+ Modified **modules/youtube.py** bahavior, now it works more like a lucky search in youtube videos and returns the title + url for the video  

# Usage
**Google Module**  
g[oog[le]] query : Will return the first three results from a google search  
  
**Lucky**  
lucky query : Will return an "I'm feeling lucky" result  
  
**Youtube**  
youtube query : Will return the title and url of a youtube "I'm feeling lucky" search