Revert "Added option to enable/disable "_source" field on search requests."
This was already implemented in #102
This reverts commit cd8164a171bc4513f05b63aa57f77fb78e34c2c2.
Add scalariform and format all scala sources
Use asynchronous API in MultiSearchTest
Merge pull request #115 from sksamuel/feature/add-scalariform

Add scalariform and format all scala sources