events link lable changed from Devs For Good to NYC Meetup

fixes #266  
Changed label from 'Devs for Good' to 'NYC Meetup'

Before:
![before](https://cloud.githubusercontent.com/assets/7460686/4904752/f6bf85da-6449-11e4-93bc-d0a97791d082.png)

After:
![after](https://cloud.githubusercontent.com/assets/7460686/4904757/fd3f660a-6449-11e4-9ccf-ea05c939e02c.png)