Upgrade jquery mobile to 1.4.2

git-svn-id: https://svn.apache.org/repos/asf/roller/trunk@1603371 13f79535-47bb-0310-9956-ffa450edef68
Fixed size text on comments.

git-svn-id: https://svn.apache.org/repos/asf/roller/trunk@1603372 13f79535-47bb-0310-9956-ffa450edef68