Shrink shortage chart size
Add initial version of Schedule filter

        - Can compute availability for a group of people
Move getManpower to Utils

        - Also change order of args
Add initial scheduling algo
Move internal Schedule functions
Add more scheduling tests
Add vacations to Person
(In progress) Hook scheduling algo up

        - The vacation and holidays are still stubbed out
        - Commented out JSON generation
        - Not yet finished
Add holiday stream
Add qplan param stream
Switch to stacked stream output

        - Hook up end date reporting for each work item
Fix filter skills bug

        - Fix bug where skill items were reported in reverse order
        - Also, extend end date of planning through Q1
Tighten up code

        - Remove unused JSON functions
Move some utility functions to Utils
Refactor to use StackStream.stack
Hook up stream-based data

        - Also hook up estimated dates
Add start and end dates to view
Remove dead code
Apply vacations to manpower calculations

        - Also, hide end date for "All" track
Add comments to Person.hs