Build Fails due to outdated options

The build fails 
```Source option 5 is no longer supported. Use 6 or later.```
```Target option 1.5 is no longer supported. Use 1.6 or later.```

<img width="1440" alt="screen shot 2018-09-25 at 6 42 56 pm" src="https://user-images.githubusercontent.com/5382204/46016606-d69c8280-c0f2-11e8-933a-8645d8e54cda.png">

