Replace array-style property access by direct access.
Removed tests for removed Vector* modules.
First commit of ES5 getters/setters support

Changed [set|get][Shape|Fill|Stroke] into shape/fillStyle/strokeStyle
properties with ES5 getters/setters; modified all occurrences. Needs
more testing but committing this for safety.
Changed test title
More ES5 setters/getters work: get/setTransform -> transform property + renamed fill/strokeStyle -> fill/stroke
More ES5 setters/getters: clip & font.
Adapt GFX/Bidi support to new GFX 2.0 class structure and be consistent with other bidi modules.
Prevent auto settings of params from 1st constructor arg by Stateful.
Renamed gfx/main.js -> gfx/gfx.js, apps must now require "gfx/gfx" and do not need to declare the gfx package any more.
Merge branch 'master' of https://github.com/ibm-js/gfx