enhance the AbstractSlidingWindow #480
Add sorted moving window operator and test #423
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
Fix the inappropriate words in variable name and docs #483
Fix doc #483
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
added post to the proxied ws calls for dev
Merge pull request #483 from siyuanh/sortingslidingwindow

Enhance the AbstractSlidingWindow #480, Add a SortedSlidingWindow operator #423
consolidated common dag styles and functionality into DagWidget, removed AppDagWidget