GPII-153 HTML markup for the Speak Text adjuster added
GPII 153: Small css file added and some paths fixed
GPII-153: Checkboxes/switches now have suitable classes for UIOptions
GPII-153: All classes added
GPII-153: Defined the schemas for the Speak Text adjuster group.
Started preparing a little demo.
GPII-153: Improved the speakText panel grade.
Added another speakText html template.
GPII-153: Label and description classes modified
GPII-153: Added message bundles.
Cleaned speakTextTemplate.html a bit.
GPII-153: Checkboxes' labels fixed
GPII-153: The speak text demo now uses FullNoPreview UI Options.
GPII-153: Updated the infusion library.
GPII-153: Switches and checkboxes initially stylized.
GPII-153: More/less options now expanding and folding properly.
Merge remote-tracking branch 'fluid-project/master'

* fluid-project/master:
  GPII-158: Pass elements and model value to simplfy enactor set() method.
  GPII-158: Modify simplify enactor to use a selector of elements to hide, rather than duplicating the article element; add selector to necessary elements in demo content
  GPII-140: Fixed the tab text overlapping the content area when enlarged. Next and Previous button arrows now centred properly when enlarged and using contrast themes.
  GPII-140: Changed the Atom logo to include the outer circle.
  GPII-140: master merged in, heading tweak
  GPII-140: Added modified version of the tree logo. Fixed contrast theme logos not changing properly.
  GPII-124: Changed label colour and added text shadow, to fix low contrast
  FLUID-4907: updated to the latest version of Infusion. Includes a fix to a top level primary builder options.
  GPII-148: Added padding to bottom of simplified content so it's not obscured by the DT panel bar
  GPII-150: Tweak focus styling on prefs
  GPII-150: Removed theme overrides for DT and replaced with class fl-inverted-color. Added low contrast themes
  FLUID-4907: Changing to the version of Infusion in the FLUID-4907 branch.
  GPII-140: Logo and electron font icons added to demo resource. Likely want to change logo though.
  GPII-136: Moved text descriptions of images into <details> where details are not displayed by default
  GPII-136: Moved descrips below imgs
  GPII-136: Added demo images, image descriptions, and themed versions
GPII-153: Stilization of the preset button and checkboxes according to the latest mockup.
GPII-153: The Speech rate adjuster added.
GPII-153: Top right corner 'star' button configured, radio buttons primarily rendered.
GPII-153: Radio buttons stylized only.
GPII-153: Radio buttons connected to the model.
GPII-153: Implemented the Textfield Stepper custom adjuster used by the Speak Text adjuster group.