Feature: adding sprintly or not

#### What's this PR do?
Adds the question: Are you using Sprintly to manage your project?. 
if a project is not using Sprintly the question prompts the lead to choose another project management software from the following list  [Pivotal, Rally, Github, JIRA, Trello, Email, Google Docs, Other],

The selection chosen persists to the next weeks update

#### Any background context you want to provide?
We want to start tracking Sprintly adoption rate on Quickleft projects.

#### What are the relevant tickets?
https://sprint.ly/product/21477/item/19

#### Screenshots (if appropriate)
![02pl5qcnsh](https://cloud.githubusercontent.com/assets/1302110/4742996/9aad1012-5a23-11e4-8547-d8f2ec3e3631.gif)


#### Questions:
- Do migrations need to be ran? **Migrations do need to be ran**