fix tslint.json

tslint.json

 {
 	"rules": {
 		"no-unused-expression": true,
-		"no-unreachable": true,
 		"no-duplicate-variable": true,
 		"no-duplicate-key": true,
 		"no-unused-variable": true,
 		"curly": true,
 		"class-name": true,
-		"semicolon": true,
+		"semicolon": ["always"],
 		"triple-equals": true,
 		"no-unexternalized-strings": [
 			true,