GitHub user 1ambda opened a pull request:
https://github.com/apache/zeppelin/pull/2225
[ZEPPELIN-2357] fix: tooltip doesnt work with btngroup
### What is this PR for?
tooltip provided by [angular-ui:
bootstrap](https://github.com/angular-ui/bootstrap) doesn't work with
`btn-group` class.
### What type of PR is it?
[Bug Fix]
### Todos
* [x] - fixed tooltip issue by bumping version of angular-bootstrap
* [x] - added tooltip to charts as like before
### What is the Jira issue?
[ZEPPELIN-2357](https://issues.apache.org/jira/browse/ZEPPELIN-2357)
### How should this be tested?
1. Open spark tutorial
2. Test tooltips in notebook controller and in paragraphs.
### Screenshots (if appropriate)
#### Before

#### After


### Questions:
* Does the licenses files need update? - YES, updated
* 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-2357/tooltip-doesnt-work-with-btngroup
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2225.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 #2225
----
commit 62784c81dfbe7958585cd69c0ef68060d88db991
Author: 1ambda <[email protected]>
Date: 2017-04-05T08:25:29Z
fix: Bump up angular-bootstrap version
commit 1e2db4ebdc9072c35cc7d70cee44576e2438cf94
Author: 1ambda <[email protected]>
Date: 2017-04-05T08:27:02Z
fix: Use uib-tooltip instead
commit 0b6ad26843b9f5114a7eae0f7da4ee4d47031217
Author: 1ambda <[email protected]>
Date: 2017-04-05T09:25:18Z
feat: Tooltip for charts
commit d03a70e3b35511ae283a4ea430940095967eaf95
Author: 1ambda <[email protected]>
Date: 2017-04-05T09:29:00Z
fix: bin license
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