Eclipse build config
Eclipse build config

- Include 'provided' in Eclipse classpath
- Upgrade to Groovy 2.+

TracyLu/RxScala,joohnnie/RxScala,samuelgruetter/RxScala,samuelgruetter/RxScala,zjrstar/RxScala,hermanbanken/RxScala,jbripley/RxScala,hermanbanken/RxScala,jbripley/RxScala,ReactiveX/RxScala,zhongdj/RxScala