Graphics (*.ai, *.png, *.svg)
* Took a pass on all images making them sharper and clearer
* Renamed bold and italic to bold-b and bold-a
* Added bold-f, italic-k, bold-a and italic-a
* Reorganized illustrator file
ve.ui.Icons-raster.css, ve.ui.Icons-vector.css
* Added classes for new icons
* Appended bullet, number, indent and outdent class names with "list"
ve.ui.*ButtonTool.js
* Added definitions for static icon property
* For bold and italic, added i18n style definitions
ve.ui.ButtonTool.js
* Switched from re-using the name property (which is intended to be the symbolic name of the tool used when registering with the tool factory) to using an static icon property for defining the icon
Change-Id: I43e7c35835a1e6dfb06f2a70226fac0d395008e8
* Added some new icons (to be used soon in the inspector redesign)
* Added right-to-left icons for lists
* Renamed some icons for future RTL use
Change-Id: I10e3e3fcda82786e3064176e7eefe211b88db95c
