Update NailGun to a version that supports a configurable client disconnection timeout.

Summary:
Update nailgun to 5915c1f84c70dc763627dfde549c7ab07d712164,
modify buckd script to pass timeout to NailGun server.

Test Plan:
0) buck test --all
1) buckd
2) buck build buck, check that it completes
3) modify buckd script to set BUCKD_CLIENT_TIMEOUT_MILLIS to 500
4) buckd
5) buck build buck, check that build exits with "Client disconnected." message.

bin/buckd

diff --git a/bin/buckd b/bin/buckd
index 13bd1ec..3171097 100755
--- a/bin/buckd
+++ b/bin/buckd
@@ -36,10 +36,12 @@
 echo $BUCKD_PORT > "$BUCKD_PORT_FILE"
 
 # Run buckd.
+BUCKD_CLIENT_TIMEOUT_MILLIS=10000
 java \
 $BUCK_JAVA_ARGS \
 -classpath \
 ${BUCK_JAVA_CLASSPATH} \
-com.martiansoftware.nailgun.NGServer localhost:${BUCKD_PORT} \
+com.martiansoftware.nailgun.NGServer \
+localhost:${BUCKD_PORT} $BUCKD_CLIENT_TIMEOUT_MILLIS \
 &> $BUCKD_LOG_FILE &
 echo $! > "$BUCKD_PID_FILE"

lib/nailgun-server-0.9.2-SNAPSHOT-sources.jar

diff --git a/lib/nailgun-server-0.9.2-SNAPSHOT-sources.jar b/lib/nailgun-server-0.9.2-SNAPSHOT-sources.jar
index 4513f48..744c493 100644
--- a/lib/nailgun-server-0.9.2-SNAPSHOT-sources.jar
+++ b/lib/nailgun-server-0.9.2-SNAPSHOT-sources.jar
Binary files differ

lib/nailgun-server-0.9.2-SNAPSHOT.jar

diff --git a/lib/nailgun-server-0.9.2-SNAPSHOT.jar b/lib/nailgun-server-0.9.2-SNAPSHOT.jar
index 308dd9f..01cc39a 100644
--- a/lib/nailgun-server-0.9.2-SNAPSHOT.jar
+++ b/lib/nailgun-server-0.9.2-SNAPSHOT.jar
Binary files differ

test/com/facebook/buck/cli/DaemonIntegrationTest.java

diff --git a/test/com/facebook/buck/cli/DaemonIntegrationTest.java b/test/com/facebook/buck/cli/DaemonIntegrationTest.java
index 03d37e3..97841a9 100644
--- a/test/com/facebook/buck/cli/DaemonIntegrationTest.java
+++ b/test/com/facebook/buck/cli/DaemonIntegrationTest.java
@@ -143,7 +143,7 @@
       public NGClientListener listener = null;
 
       public TestNGInputStream(InputStream in, DataOutputStream out, PrintStream serverLog) {
-        super(in, out, serverLog);
+        super(in, out, serverLog, 10000 /* client timeout millis */);
       }
 
       @Override

third-party/nailgun/README.md

diff --git a/third-party/nailgun/README.md b/third-party/nailgun/README.md
index df471ba..24b36be 100644
--- a/third-party/nailgun/README.md
+++ b/third-party/nailgun/README.md
@@ -17,4 +17,4 @@
 For more information, see [the nailgun website](http://martiansoftware.com/nailgun/).
 
 Buck currently uses https://github.com/martylamb/nailgun at
-fcc24ecd63ead63f160e96f6a0640f6b4280f72d
+5915c1f84c70dc763627dfde549c7ab07d712164