Add myIpAddress() to PAC proxy environment.

Also fixed issue with dnsResolve() in same.

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Getdown Releases
 
+## 1.8.6 - Unreleased
+
+* Fixed issues with PAC proxy support: added `myIpAddress()`, fixed `dnsResolve()`, fixed crash
+  when detecting PAC proxy.
+
 ## 1.8.5 - May 29, 2019
 
 * Fixed issues with proxy information not getting properly passed through to app.

launcher/src/main/java/com/threerings/getdown/launcher/ProxyUtil.java

@@ -237,7 +237,14 @@ public final class ProxyUtil {
     public static class Resolver {
         public String dnsResolve (String host) {
             try {
-                return InetAddress.getByName(host).toString();
+                return InetAddress.getByName(host).getHostAddress();
+            } catch (UnknownHostException uhe) {
+                return null;
+            }
+        }
+        public String myIpAddress () {
+            try {
+                return InetAddress.getLocalHost().getHostAddress();
             } catch (UnknownHostException uhe) {
                 return null;
             }