Timeline improvements (WORKBENCH-39)

[WORKBENCH-43] Added "Scroll to zoom" Created: 06/Oct/17  Updated: 06/Oct/17  Resolved: 06/Oct/17

Status: Done
Project: i2b2 Workbench
Component/s: None
Affects Version/s: None
Fix Version/s: 2.0.01

Type: Sub-Task Priority: Major
Reporter: Taowei David Wang Assignee: Taowei David Wang
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Sprint: WB Release 2.0.01

 Description   
Old timeline uses left-click to zoom in. Mouse scroll does nothing, as when old timeline was created mouse scrolls were not common.

We have modernized the interaction so mouse scrolling correctly zoom in/out of the visualization
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