Default node filter in Nodes page matches all nodes
Allow custom progress bar width
Rearrange action buttons for jobs
Move job UUID info to exec detail section
Update job stats section layout
Change history fragment embedding structure
Rearrange now running and nodes/jobs pages
Clean up nodes page
Clean up jobs list: don't show executions link

* show help text if no jobs defined
Remove run job page subtitle
Style updates:

* unify history/now running style
* node/jobs page remove bg for header areas
Text for Activity bar