diff --git a/.hgignore b/.hgignore
new file mode 100644
index 0000000..83cef21
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1,4 @@
+^build/
+^dist/
+/nbproject/private/
+^.hgtip
diff --git a/.jcheck/conf b/.jcheck/conf
new file mode 100644
index 0000000..6d0dbe4
--- /dev/null
+++ b/.jcheck/conf
@@ -0,0 +1 @@
+project=jdk8