Some more rigorous rewrite of diag_states_summary
Some more rigorous rewrite of diag_states_summary

- Replace table in table with table cells spanning two or more rows
- Removed redundant panel
- Removed column width classes from table cells; they're not intended for this usage

Refs. #78

dennypage/pfsense,ptorsten/pfsense,NOYB/pfsense,brunostein/pfsense,pfsense/pfsense,ch1c4um/pfsense,pfsense/pfsense,pfsense/pfsense,ptorsten/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,pfsense/pfsense,ch1c4um/pfsense,brunostein/pfsense,dennypage/pfsense,ch1c4um/pfsense,BlackstarGroup/pfsense,brunostein/pfsense,phil-davis/pfsense,ch1c4um/pfsense,phil-davis/pfsense,NOYB/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,jxmx/pfsense,jxmx/pfsense,BlackstarGroup/pfsense,ptorsten/pfsense,dennypage/pfsense,NOYB/pfsense,NewEraCracker/pfsense,jxmx/pfsense