alpheios-project / arethusa / 2814 / 1

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travis-ci

fix travis build

- Tests were failing on CI due to [this issue](https://github.com/nickmerwin/node-coveralls/issues/69) in `node-coveralls`. Although the issue was fixed in `node-coveralls` [2.11.2](https://github.com/nickmerwin/node-coveralls/pull/70#issuecomment-56322042), we were using `grunt-coveralls` 0.3.0, which [uses](https://github.com/pimterry/grunt-coveralls/blob/v0.3.0/package.json#L54) `node-coveralls` version `~2.7.0`. In order to fix the issue, bump the version of `grunt-coveralls`.

- There was an issue with `grunt-sauce-connect-launcher` although it wasn't causing tests to fail. Locking the version fixes the problem.

- To help debugging in the future, run `grunt` with the `--stack` flag when running `npm test`. The `--stack` flag causes Grunt to include a stack trace when it exits with an error.

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