Add buck resources to .gitignore

Change-Id: I5d679c0cccca537db329467ba6262976433cdf69

.gitignore

diff --git a/.gitignore b/.gitignore
index fc3c0ff..9c143f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,6 @@
 /.settings/org.eclipse.m2e.core.prefs
 /.idea
 replication.iml
+/.buckd
+/buck-cache
+/buck-out