Summary: Break apart the Project Browser into three (3) separate palettes

Description: Break apart the Project Browser into three (3) separate palettes. This will cut down the time that is required to moving up and down the project browser going from views to families and back.

1. Views, Legends, Schedules/Quantities and Revit Links
2. Sheets
3. Families and Groups

Product and Feature: Revit MEP - Other

Submitted By: lwolford on 11/15/2017