Align SVG markup across Foundation products by:
- unifying XML declaration,
- removing unnecessary `standalone="no"` attribute as it's default,
- removing unnecessary `enable-background` attribute as it got removed
from standard
- removing all SVG editor metadata
- adding `width` and `height` attributes where missing,
- removing all `g` group elements except where necessary for transforms,
- putting attributes on `path`,
- removing unnecessary ids and
- unifying whitespace.
Also
- changing 'expand' and 'gear' icon colors to resemble general button style,
- while at this renaming 'gear_gray' to 'gear' including CSS reference,
- slightly adapt remaining colors to WikimediaUI color palette and
- deleting unused, unreferenced icon files.
Saving up to 79% file size before gzipping.
Bug: T178867
Change-Id: I9e54a3a972903811f5205def05397383f3484d63
Aligning to WikimediaUI style guide by replacing colors with
standard color palette equivalents, merging close colors
(ex: `#E6E6E6` & `#eee` become `#eaecf0` ) and slightly increase
contrast on a few to meet WCAG 2.0 level AA criteria.
Also:
- following other code bases like MobileFrontend or OOjs UI in
using `border-radius` property instead of obsolete mixin
- removing non-existing browser vendor prefixes in mixins
- removing non-used Less variables
- bringing CSS/Less code closer to coding standards and
- simplifying Less code where applicable
Change-Id: Icb936e14ff613471ea1da6df6341ec1b0543cfaf
Also do a bunch of refactoring to:
* keep LESS rules in more sane locations so it is not as hard to get an overview
(most of the metadata panel rules were in mmv.less)
* move mmv.mixins.less up one directory as it is not specific to the UI
* move the SVG icons as all of them were related to the UI
* remove the marging-right hack which was used to keep the title text from
overflowing the button; instead use a float and overflow properties to make
sure text that is too long gets hidden
Change-Id: Icc8ea2e766be67d86ae98c734721b2185bd6c36e
