As of Ieb27c3fd1 apex uses solid black icons with opacity
set in CSS, so make VE icons consistent.
Change-Id: I4c38c497875686503d46a2376a7842f50bf7f2fd
VisualEditor.i18n.php, VisualEditor.php
* Button title
* New experimental files
ve.*.MWAlienExtensionNode.js
* Very basic extension of ve.*.MWExtensionNode
ve.ui.MWAlienExtensionInspector.js
* Default to inline-block for wrapper. Should probably
get rid of styled wrappers for GeneratedContent eventually.
ve.ui.MWAlienExtensionInspector.js
* Basic extension of MWExtensionInspector. Override title to
use tag name e.g. '<easytimeline>'. Could be changed in future
to 'Extension: easytimeline' or similar.
*.png, *.svg, *Icons*.css, ve.ui.MWAlienExtensionButtonTool.js
* Angle bracket icon for button (open to suggestions)
ve.ui.MWInspector.css
* Make extension inspector text input tall by default.
Change-Id: I07f0686839192cad3cd8dfd3233ae907fe5cdf6a