Merge pull request #13 from noahshaw11/add-editors-magic-lines

Add editors magic lines
diff --git a/rebar.config b/rebar.config
index 6d77caa..0bf93a8 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,3 +1,5 @@
+% vim: set ft=erlang : -*- erlang -*- % Magic lines for code editors
+
 {port_specs, [
     {"priv/khash.so", ["c_src/*.c"]}
 ]}.