In progress: On Safari, when printing a report, the right side of the
page is cut-off. (#153, https://trello.com/c/AtrwMoS8)
Removed "debug" column.  Changed bootstrap columns to col-xs-* from
col-sm-*.
Removed debugging HTML.
Resolved: On Safari, when printing a report, the right side of the page
is cut-off. (#153, https://trello.com/c/AtrwMoS8)

* Verified fix on Safari 7.0.1 (9537.73.11) / Chrome 32.0.1700.77 /
Firefox 26.0
* Added HTML5 doc type per:
http://getbootstrap.com/css/#overview-doctype.
* Changed bootstrap columns to col-xs-* from col-sm-*.
* Removed "Warning" from admin signon message.
Rolled back to Bootstrap 3.0.2 due to glyphicon issues on Safari.