Version 0.12.0

Breaking changes:

• StateUpdatesTestHelper has now its own testing.state package.
• RowReverse and ColumnReverse got removed. Row and Column offer a reverse() property setter to achieve the same.
• Stetho support, as already announced in v0.11.0, was removed.
• Last but not least, onCreateLayout() now returns a Component and not a ComponentLayout!!
  buildWithLayout() is also gone.

What's new:

• Litho now supports StateListAnimator.
• Trigger APIs is now supported in Sections.
• New LithoTooltip APIs to show a PopoverWindow.

Improvements/Fixes:

• EditTextSpec accept now a TextView.OnEditorActionListener.
• The corner effect for the border got fixes and we also improved the border radii APIs.
• TextDrawable Span click detection got fixed for multi-line Spans.
• HorisontalScrollSpec now supports RTL.