* commit '0efebf0af4c21b9d02c9c06b67867a554e0b35ea': This restores JB MR0 behavior where the framework throws an exception for improper layouts that are missing layout_width and/or layout_height.
* commit '0efebf0af4c21b9d02c9c06b67867a554e0b35ea': This restores JB MR0 behavior where the framework throws an exception for improper layouts that are missing layout_width and/or layout_height.