Fix travis.yml
Fix travis.yml

Travis seems to be currently failing with the following:

```
ERROR: An error occured while trying to parse your .travis.yml file.

Please make sure that the file is valid YAML.

http://lint.travis-ci.org can check your .travis.yml.

The log message was: Build config file had a parse error: did not find expected '-' indicator while parsing a block collection at line 3 column 3.
```

https://lint.travis-ci.org/ seems to say the above version is cool though. :shrug:
ucbl/HyLAR-Reasoner,ucbl/HyLAR-Reasoner,ucbl/HyLAR-Server-