Update documentation.

Change-Id: Idb03741fab9facbbbda85d5a82723f0b4c1c6c60
diff --git a/.gitignore b/.gitignore
index 17c8045..0f0d1c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@
 docs/minted.sty
 obj/
 jni/libs/
+.buildinfo