added window id to container page
Merge branch 'master' into windowids#521
updated BaseModel set method for WindowId attributes on models
updated ApplicationModel for windowId changes
changed WindowId to have numbers in the offset and timestamp properties
fixed app metrics and instance overview widgets
updated operator model and added test, updated app model after BaseModel change
updated PhysOpOverviewWidget with new WindowId format
updated container model for new WindowId change
timestamp of WindowId is now a Date
Merge branch 'master' into windowids#521
Merge pull request #533 from andyperlitch/windowids#521

Fixes #521, Refactored WindowId usage