zeppelin git commit: [ZEPPELIN-2357] fix: tooltip doesn't work in btn-group

Repository: zeppelin Updated Branches: refs/heads/branch-0.7 46b196575 -> 7e73b0a68 [ZEPPELIN-2357] fix: tooltip doesn't work in btn-group tooltip provided by [angular-ui: bootstrap](https://github.com/angular-ui/bootstrap) doesn't work with `btn-group` class. [Bug Fix] * [x] - fixed toolt

zeppelin git commit: [ZEPPELIN-2357] fix: tooltip doesn't work in btn-group

Repository: zeppelin Updated Branches: refs/heads/master 540ceb87d -> b55231464 [ZEPPELIN-2357] fix: tooltip doesn't work in btn-group ### 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