Stopwatch, an interactive stopwatch

**What does your instant answer do?**
It is an interactive stopwatch

**What problem does your instant answer solve (Why is it better than organic links)?**
Having to click on another link to get to a stopwatch

**What is the data source for your instant answer? (Provide a link if possible)**
N/A

**Why did you choose this data source?**
...

**Are there any other alternative (better) data sources?**
...

**What are some example queries that trigger this instant answer?**
`stopwatch` (any other suggestions?)

**Which communities will this instant answer be especially useful for? (gamers, book lovers, etc)**
people who need stopwatches

**Is this instant answer connected to a DuckDuckHack [instant answer idea](https://duck.co/ideas)?**
[Yeah](https://duck.co/ideas/idea/852/a-stopwatch)

**Which existing instant answers will this one supercede/overlap with?**
The wiki zci for stopwatch

**Are you having any problems? Do you need our help with anything?**
Because you can't really test the stopwatch functionally with a screenshot, [I put it up here](http://mattr555.github.io/stopwatch.html). Let me know if it should work differently.

![image](https://f.cloud.github.com/assets/4411471/2179346/c88a6288-96a5-11e3-84f2-0c55c93b374a.png)

**Checklist**
```
[x] Added metadata and attribution information
[x] Wrote test file and added to t/ directory
[x] Verified that instant answer adheres to design guidelines(https://github.com/duckduckgo/duckduckgo-documentation/blob/master/duckduckhack/styleguides/design_styleguide.md)
[] Tested cross-browser compatability

    Please let us know which browsers/devices you've tested on:
    - Windows 8
        [x] Google Chrome   
        [] Firefox         
        [] Opera           
        [] IE 10           

    - Windows 7
        [] Google Chrome   
        [] Firefox         
        [] Opera           
        [] IE 8            
        [] IE 9            
        [] IE 10           

    - Windows XP
        [] IE 7            
        [] IE 8            

    - Mac OSX
        [] Google Chrome   
        [] Firefox         
        [] Opera           
        [] Safari          

    - iOS (iPhone)
        [] Safari Mobile   
        [] Google Chrome   
        [] Opera           

    - iOS (iPad)
        [] Safari Mobile   
        [] Google Chrome   
        [] Opera            

    - Android
        [] Firefox         
        [] Native Browser  
        [] Google Chrome   
        [] Opera

    - Linux (DuckPAN)
        [x] Firefox
```