SwFmtFlyCnt: add doxygen comment

Change-Id: I9e48b471f4afbb071112f3b1f5b71ee42cfe186f
writerfilter: remove unused dummyannotate.xsl

Change-Id: Ie922a7114040ad7a1e3a96d57beb36e48bdf2e34
coverity#1158084 Unchecked dynamic_cast

Change-Id: Ia800e45166b0206377fa9e138c4e444e476e3863