rubik 7.x-4.0-rc1

This is the first and probably only release candidate before version 4.

Changes since beta 9:
#1947194: Support D7 Theme Screenshot Size on admin/appearance by eigentor: Support D7 Theme Screenshot Size on admin/appearance.
#1003820: Increase font and form element color contrast by ericduran | c4rl: Increase font and form element color contrast.
#1579182: Rubik and color module by haydeniv | alexrayu: Rubik and color module.
#1782512: Indicate collapsed fieldset with arrow icon of some kind by wbobeirne, haydeniv | jec006: Indicate collapsed fieldset with arrow icon of some kind.
#1440054: Fix formatting of date popup fields by haydeniv, jdelaune: Fix formatting of date popup fields.
#1199648: Can't hide author information by hanoii: Hide author if it should be hidden.
#1295998: Striping for administrative tables by jobeirne, jeffschuler: Added Striping for administrative tables.
#2068747: Rubik tells you to download Tao but gives you a broken link to developmentseed. by haydeniv: Tao download broken link.
#1645148: input.fluid is missing box-sizing: border-box in core.css by hkirman: input.fluid is missing box-sizing.
#1781276: Admin blocks translations not working by rfsbsb: Admin blocks translations not working.
#1849790: CSS rtl errors by Hadi Farnoud: CSS rtl errors.
#1866126: Spacing out the links in operations column by topsitemakers: Spacing out the links in operations column.
#1889546: Checkbox description covers most of the checbox by wbobeirne: Checkbox description covers most of the checkbox.
#1742552: Minor issue with the breadcrumb trail by interactivejunky, donquixote, dsnopek: Minor issue with the breadcrumb trail.
#1879560: Support Error classes on table rows by wiifm, acbramley: Support Error classes on table rows.
#1730844: Add an option to display form field descriptions inline (rather than using pop-ups) by jweowu, sylus: Option to display field descriptions inline.
#1315898: Views admin CSS hides important elements on e.g. Display Suite vertical tabs by jp.stacey, gapple: Views admin CSS hides important elements.