Merge branch 'feat/send-status' into 'master'

Feat: send runing/paused status

See merge request sheepitrenderfarm/client!173

protocol.txt

@@ -195,6 +195,7 @@ Parameter as GET or POST:
     * frame: Frame number of the rendering job
     * rendertime: current render time (optional)
     * remainingtime: current remaining time to render the frame (optional)
+    * paused: whether the client is actively paused or not
 
 Answer:
 <?xml version="1.0" encoding="utf-8" ?>

src/main/java/com/sheepit/client/Server.java

@@ -126,6 +126,7 @@ public class Server extends Thread {
 			if ((current_time - this.lastRequestTime) > this.keepmealive_duration) {
 				try {
 					HttpUrl.Builder urlBuilder = Objects.requireNonNull(HttpUrl.parse(this.getPage("keepmealive"))).newBuilder();
+					urlBuilder.addQueryParameter("paused", String.valueOf(this.client.isSuspended()));
 					
 					if (this.client != null && this.client.getRenderingJob() != null) {
 						Job job = this.client.getRenderingJob();