Update htm_host_head.tmpl

Remove HTML width in headerTable. Put width in CSS.
Update htm_end.tmpl

Remove HTML width in headerTable. Put width in CSS.
Update htm_start.tmpl

Specify headerTable width in CSS.
Update htm_summary.tmpl

Remove HTML width in headerTable. Put width in CSS.
Merge pull request #71 from pvdl/patch-3

Remove HTML width in headerTable. Put width in CSS.