added download button for relay

lwjgl-rundir/resources/lang/en_US.lang

@@ -291,6 +291,7 @@ networkSettings.loadDefaults=Load Defaults
 networkSettings.relayTimeout=Connection Timeout:
 networkSettings.relayTimeoutChange=change
 networkSettings.relayTimeoutTitle=Change Connection Timeout
+networkSettings.downloadRelay=Download JAR
 
 addRelay.title=Add New Relay
 addRelay.name=Relay Comment

src/main/java/net/lax1dude/eaglercraft/GuiScreenRelay.java

@@ -38,6 +38,7 @@ public class GuiScreenRelay extends GuiScreen {
 		buttonList.add(setPrimary = new GuiButton(3, this.width / 2 + 54, this.height - 52, 100, 20, var1.translateKey("networkSettings.default")));
 		buttonList.add(new GuiButton(4, this.width / 2 - 50, this.height - 28, 100, 20, var1.translateKey("networkSettings.refresh")));
 		buttonList.add(new GuiButton(5, this.width / 2 - 154, this.height - 28, 100, 20, var1.translateKey("networkSettings.loadDefaults")));
+		buttonList.add(new GuiButton(6, this.width - 100, 0, 100, 20, var1.translateKey("networkSettings.downloadRelay")));
 		updateButtons();
 		this.slots = new GuiSlotRelay(this);
 		if(!hasPinged) {
@@ -91,6 +92,8 @@ public class GuiScreenRelay extends GuiScreen {
 				slots.relayManager.ping();
 			}
 			lastRefresh += 60l;
+		} else if(btn.id == 6) {
+			EaglerAdapter.downloadBytes("EaglerSPRelay.zip", AssetRepository.getResource("relay_download.zip"));
 		}
 	}