This finally takes new output format into use by two main changes:
* Reworking and refactoring of HTML report frontend, mainly in
template rally/ui/templates/task/report.html, so we have
the following new features and improvements:
- show output in new format, according to the spec
- Added AngularJS directive (via attribute `widget')
that can render all currently used NVD3 charts,
and generic HTML tables
- all existent charts (as well as new output charts) and
generic tables are displayed by our new AngularJS directive
- Fix: do not show StackedArea if there are less than 2 points
- code optimization and rafactoring
* New scenario `Dummy.dummy_output' is added, so we can
generate random output in new format to see how it is
displayed in reports.
Change-Id: Ifa30e6ec86217898fbd6133eaa3e3552f466bf26
37b3fc841a