Models, Models and Rake Tasks

## Description and Impact
Makes it someone useful, allows you to import data from github and store it in a database


## Rollback Plan
* To roll back this change, revert the merge with: `git revert -m 1 MERGE_SHA` and perform another deploy.

## URLs
> localhost:3000/hubification

## QA Plan

#### Risk Level:
- [X] Low
- [ ] Medium
- [ ] High

start it up, run migrations. 

Run rake app:populate:{users/pulls/comments}, checkout out /hubification to see that it works.
This is how I would get them all.
```
client.paginate('/repos/sportngin/ngin/'+kind, :per_page => 100, :page => 1) do |data, last_response| 
  while last_response.rels[:next] && client.rate_limit.remaining > 0
      last_response = last_response.rels[:next].get
      data.concat(last_response.data) if last_response.data.is_a?(Array)
  end
end
```