Change tooltip class name to avoid conflicts.
Fix bug when using safari.
Revert "Fix bug when using safari."

This reverts commit 0079c48f32e6bbbc665c47c879ca67cb2445cb31.
Revert "Revert "Fix bug when using safari.""

This reverts commit e7b93b4d79edc5d2afcc46f76b4ec802cd6c6ab9.
Revert "Revert "Revert "Fix bug when using safari."""

This reverts commit 827e85bda0207ed84a56691a2e3dce3a9bd05ff3.
Merge pull request #8 from carlosbrando/master

Change tooltip class name to avoid conflicts.