Added hex color codes, added swith to utilize groups/rooms. updated exec

to use new path parsing. Revert back to Spark 2.3 due to issues.

src/main/resources/public/views/system.html

@@ -100,6 +100,12 @@
 						ng-model="bridge.settings.useupnpiface" ng-true-value=true
 						ng-false-value=false> {{bridge.settings.useupnpiface}}</td>
 				</tr>
+				<tr>
+					<td>Use Rooms for Alexa</td>
+					<td><input type="checkbox"
+						ng-model="bridge.settings.userooms" ng-true-value=true
+						ng-false-value=false> {{bridge.settings.userooms}}</td>
+				</tr>
 				<tr>
 					<td>Web Server IP Address</td>
 					<td><input id="bridge-settings-webaddress"