Status page improvements

Status page improvements: sort context names, right align numbers, add missing data descriptors.

R=paulberry@google.com

Committed: https://code.google.com/p/dart/source/detail?r=41427

[Brian Wilkerson, 2014-10-30 00:48:23]

brianwilkerson@google.com changed reviewers:
+ paulberry@google.com

[Paul Berry, 2014-10-30 17:36:52]

lgtm

https://codereview.chromium.org/685123006/diff/1/pkg/analyzer/lib/src/generat...
File pkg/analyzer/lib/src/generated/engine.dart (right):

https://codereview.chromium.org/685123006/diff/1/pkg/analyzer/lib/src/generat...
pkg/analyzer/lib/src/generated/engine.dart:1640: //       
handleCacheItem(source, dartEntry, DartEntry.CONTAINING_LIBRARIES);
It would be nice to have a comment explaining why this line is commented out. 
The same goes for the other commented-out lines added in this CL.

[Brian Wilkerson, 2014-10-30 21:06:59]

https://codereview.chromium.org/685123006/diff/1/pkg/analyzer/lib/src/generat...
File pkg/analyzer/lib/src/generated/engine.dart (right):

https://codereview.chromium.org/685123006/diff/1/pkg/analyzer/lib/src/generat...
pkg/analyzer/lib/src/generated/engine.dart:1640: //       
handleCacheItem(source, dartEntry, DartEntry.CONTAINING_LIBRARIES);
Done

[Brian Wilkerson, 2014-10-30 21:11:45]

Committed patchset #1 (id:1) manually as 41427 (presubmit successful).