updated icons in the lists of dash manager
updated table widths
fixed status css class in container overview widget
changed cpu percentage to only 1 decimal
updated window id labels for physical operator list
updated overview widgets, columns
updated chart legend
updated metrics widgets defaultId
updated header view
added icons to statuses, removed unused images
Merge branch 'master' into cosmetics#569
removed status images from mainsprite (using svgs instead)
Merge pull request #585 from andyperlitch/cosmetics#569

Fixes #569, Cosmetic changes