Update component.json to v1.8

Update component.json to v1.8

component.json

@@ -1,7 +1,7 @@
 {
   "name"        : "bootstrap-switch",
   "description" : "Unofficial bootstrap switch",
-  "version"     : "1.7.0",
+  "version"     : "1.8.0",
   "main"        : "static/js/bootstrap-switch.js",
   "ignore": [ 
     "examples"