prettier search results

Now the `npmd search` results look more like `npm search` results with the description and author fields. However to use this patch people might need to regenerate their metadata indexes.

```
$ npmd search geo
NAME                  DESCRIPTION                                                   AUTHOR     
WTGeo                 Nodejs Geo utils                                              =zir       
coach                 Full Stack Web Framework for Node.js                          =viatropos 
everyauth-express3    Auth solution (password, facebook, & more) for your node.js...=hermanscha
everyauth-goellan     Everyauth forked with working github authentication           =nherment  
everyauth-latest      Auth solution (password, facebook, & more) for your node.js...=oJshua    
factual               Library for interfacing with Factual's API                    =cpearce   
geo                   Geo is a very basic, but simple and extendable, geocode lib...=felipera  
geo-distance          Common JS module for calculating and converting Earth dista...=walling   
jheri-curl            JSON Lint + CURL                                              =thisandaga
jsonraver             An easy-to-use Node.js utility module for performing multip...=deeleman  
mongo-postal          A node.js module that both creates a MongoDB collection of ...=cbumgard  
my                    my JavaScript module system                                   =hax       
point-to-city         Simple module to get the city name from a point (lat,lon). ...=francisco.
route-walker          Walk a geo route and do stuff.                                =jamesbloom
tower-dev             Full Stack Web Framework for Node.js and the Browser          =maedi     
tracking              tracking stuff                                                =rhansson  
twgeojson             GeoJSON files for Administrative divisions in Taiwan          =clkao     
```