GPII-364, GPII-365: Better version of expandingAdjusters.
Looks good except the hacky parts of function() selectors.
Merge branch 'adjusters-pilots-2' into frames-pilots-2
GPII-364, GPII-365: Integrating single-file font-icons.
GPII-364: Using the "natively" rotated contrastTheme indicator.
GPII-364, GPII-365: We have a problem with preview "eye".
It had a different philosophy in its content. We need what is currently included, inverted, and in a triangular form.
GPII-365: Fixed the cursorSize small/big sizes.
GPII-365: Fixed the magnifier position font icons and indicator.
GPII-364, GPII-365: Fixed the problem with preview "eye" triangle.
GPII-364, GPII-365: Fixed the preview "eye" coloring with contrast theme.
GPII-364, GPII-365: Fixed the tooltip colors on inverted contrast theme.
GPII-364, GPII-365: Minor tweak on iconCheck size.
GPII-364, GPII-365: Minor tweak on cursorSize big cursor.
GPII-364, GPII-365: Cleaned up commented out CSS rules.
Also deleted unused font icon files.
GPII-227: Added greek translations.
Merge branch 'adjusters-pilots-2' into frames-pilots-2

Conflicts:
	src/shared/adjusters/messages/el/contrast.json
	src/shared/adjusters/messages/el/followingElement.json
	src/shared/adjusters/messages/el/magnifierInvertColours.json
	src/shared/adjusters/messages/el/showCrosshairs.json
GPII-364, GPII-365: Removed a useless CSS rules.
NOJIRA: Minor tweak for "cloud" icon style.