Allows to configure playerglobal source
Fix display tree view in the inspector.
Make construction of pre-render clip mask optional.
Merge pull request #747 from tobeytailor/display

Fixes regression in #737
Merge pull request #748 from tobeytailor/quadtree

Makes construction of pre-render clip mask optional
Fixes tamarin patch for gcc 4.8
Fixes dumpabc.js
Separates install-utils and install-tamarin builds
Change main page fallback
Optimize get/set property for array like objects.
Set turbo mode true by default in the inspector.
Merge pull request #750 from mbebenita/master

Small optimizations.
Log exceptions during promise resolution to the console instead of silently swallowing them
Fixes to text layout

Specifically:
  - Addition of huge lists of metrics for many device fonts usually available on Win/OS X/ Linux (we don't get this data from the browser)
  - Usage of proper metrics data to calculate vertical text positioning, instead of just advancing the baseline position by the font size
  - Removal of explicit line breaks during parsing of html instead of during rendering
  - various cleanups, optimizations and small fixes