Bug 851379 part 1: Rename ComputeWidthDependentValue to ComputeCBDependentValue. r=mats
Bug 851379 part 2: Make ComputeMargin, ComputePadding, and InitOffsets take a horizontal *and* vertical percent basis, so that we can resolve vertical margins and padding against containing block *height* in flex items. r=mats
Bug 851379, part 3: Add reftest with percent-valued vertical margin & padding on flex items. r=mats
Bug 851379, part 4: Fix InitOffsets logging code to display horizontal and vertical percent basis, instead of just a containing block width. r=mats
Bug 856657 - Change Go button at the same time as resetting input; r=cpeterson
Bug 857413 - Use only one copy of GeckoInputConnection.InputThreadUtils; r=cpeterson