3410.   [bug]           Addressed Coverity warnings. [RT #31626]
Squashed commit of the following:

commit 6fec07bbb69ead784063052f2099674f8b52c6b3
Author: Mark Andrews <marka@isc.org>
Date:   Tue Oct 30 18:14:35 2012 +1100

    use strl{cat,cpy}

commit 19a5d3766f3dbc8a2944b21640a8226a89aae7ba
Author: Mark Andrews <marka@isc.org>
Date:   Tue Oct 30 14:38:55 2012 +1100

    address unchecked xmlTextWriter* calls