New info in 18.

Easier to the see memory usage and utilization as charts instead of
values that is updating during runtime.

Remove from system page and create a separate allocator tab.

* siri/wx-cdv/OTP-11179:
  observer: cosmetic gui tweaks
  observer: Fix progress dialog creation
  observer: renamed crashdump_viewer files and fixed makefiles
  observer: improve wx version of crashdump_viewer
  observer: Use crashdump_viewer's term viewer to display large terms and binaries
  observer: Fix memory and scheduler info and handle missing fields
  observer: Optimize row lookups
  observer: improve wx version of crashdump_viewer
  observer: Consolidate the view of process information
  observer: add wx version of crashdump_viewer

* bugfixes
* better progress dialogs
* show expanded binaries in different formats
* speed up reading of big crashdumps

The old web base crashdump_viewer is now removed.

Use observer for the gui part