Tweak converted halt.php
Tweak converted halt.php

- Replace 'submit' with 'save', which is more in line with the Form.class
- Add h2 panel title
- Just match string instead of stristr of gettext result

Refs. #75

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