Backed out 4 changesets (bug 1062963, bug 1079139) for failures in 427129-table-caption.html in b2g reftest-6 and Android 2.3 reftest-5

Backed out changeset a9672db96a5d (bug 1079139)
Backed out changeset 241c23570a62 (bug 1062963)
Backed out changeset 90172cc0b012 (bug 1062963)
Backed out changeset 71211c4a4acc (bug 1062963)