GitHub user 1ambda opened a pull request:
https://github.com/apache/zeppelin/pull/1824
[ZEPPELIN-1850] Remove grunt-contrib-clean (grunt)
### What is this PR for?
Replaced `grunt-contrib-clean` to
[rimraf](https://github.com/isaacs/rimraf)
- to remove `Gruntfile.js`
- to have npm managed scripts in `package.json` while running `rm -rf` in
multiple platforms including windows
- Also, fixed invalid `prestart` npm command to `predev`
This PR related to
- https://github.com/apache/zeppelin/pull/1812 (Using yarn)
- https://github.com/apache/zeppelin/pull/1818 (Removing jscs)
### What type of PR is it?
[Improvement]
### Todos
Done at once
### What is the Jira issue?
[ZEPPELIN-1850](https://issues.apache.org/jira/browse/ZEPPELIN-1850)
### How should this be tested?
- `npm run test`, `npm run build`, `npm run dev` should work
### Screenshots (if appropriate)
None
### Questions:
* Does the licenses files need update? - NO
* Is there breaking changes for older versions? - NO
* Does this needs documentation? - NO
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/1ambda/zeppelin
ZEPPELIN-1850/remove-grunt-clean
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/1824.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1824
----
commit 86fddb9e4263b39dccb0e959f5e46210be7e3516
Author: 1ambda <1am...@gmail.com>
Date: 2016-12-30T06:55:33Z
fix: Remove grunt-contrib-clean
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