Webui: extend led hardware config + connection lost page (#226)

* split content and js
tune leds config

* implement connection lost page

* split js/html in huebridge

* add js action for connection lost

* extend led config
make connection loss nicer

* tune led code
add menu entry for grabber

* more tuning of webui

* switch back to botstrap textarea
add v4l to components

* add icon

* extend schema for jsoneditor

* implement ledcolors streaming with 4fps

* implement component state

assets/webconfig/js/content_grabber.js

@@ -0,0 +1,58 @@
+ 
+/*
+function removeAdvanced(obj,searchStack)
+{
+	searchStack = [];
+	$.each(obj, function(key, val) {
+		if ( typeof(val) == 'object' )
+		{
+			searchStack.push(key);
+			if (! removeAdvanced(val,searchStack) )
+				searchStack.pop();
+		}
+		else if ( key == "advanced" && val == true )
+		{
+			console.log(searchStack);
+			return true;
+		}
+	});
+	return false;
+}
+*/
+
+$(hyperion).one("cmd-config-getschema", function(event) {
+	parsedConfSchemaJSON = event.response.result;
+	schema = parsedConfSchemaJSON.properties;
+	schema_framegrabber = schema.framegrabber;
+	schema_grabberv4l2 = schema["grabber-v4l2"];
+
+	var element = document.getElementById('editor_container');
+	
+	var grabber_conf_editor = new JSONEditor(element,{
+		theme: 'bootstrap3',
+		disable_collapse: 'true',
+		form_name_root: 'sa',
+		disable_edit_json: 'true',
+		disable_properties: 'true',
+		no_additional_properties: 'true',
+		schema: {
+			title:' ',
+			properties: {
+				schema_framegrabber,
+				schema_grabberv4l2,
+			}
+		}
+	});
+});
+
+
+$(document).ready( function() {
+	requestServerConfigSchema();
+
+	document.getElementById('submit').addEventListener('click',function() {
+		// Get the value from the editor
+		//console.log(general_conf_editor.getValue());
+	});
+//  $("[type='checkbox']").bootstrapSwitch();
+});
+