Added default to 'en'

Added a few lines to attempt to return the value for the 'en' locale by default in cases where a string is defined in English but not the user's language:

E.G.
String.toLocaleString({
	"en": {
		
		// role types 
		"Waterman": 	'Waterman',
		"Farmer": 		'Farmer',
		"WMA": 			'Waste Management Authority',
		"Developer": 	'Developer',
		"BEReg": 		'Built Environment Regulator',
		"NRReg": 		'Natural Resource Regulator',
		
	},
	"fr": {
			
		// role types 
		"Waterman": 	'Pecheur'
	}
});