add plot width question to FAQ (closes #171)
add plot width question to FAQ (closes #171)

fboehm/labnotebook,fboehm/cboettig_site,fboehm/labnotebook,antass/labnotebook3,antass/labnotebook3,fboehm/cboettig_site,fboehm/labnotebook,fboehm/labnotebook,fboehm/labnotebook,fboehm/cboettig_site,fboehm/labnotebook,fboehm/cboettig_site,antass/labnotebook3,fboehm/cboettig_site