let rebar manage the module lists

diff --git a/ebin/rexi.app b/ebin/rexi.app
deleted file mode 100644
index 5c944b7..0000000
--- a/ebin/rexi.app
+++ /dev/null
@@ -1,13 +0,0 @@
-{application, rexi, [
-    {description, "Lightweight RPC server"},
-    {vsn, "1.2"},
-    {modules, [rexi,
-               rexi_app,
-               rexi_sup,
-               rexi_monitor,
-               rexi_server,
-               rexi_utils]},
-    {registered, [rexi_sup, rexi_server]},
-    {applications, [kernel, stdlib]},
-    {mod, {rexi_app,[]}}
-]}.
diff --git a/src/rexi.app.src b/src/rexi.app.src
new file mode 100644
index 0000000..d56a182
--- /dev/null
+++ b/src/rexi.app.src
@@ -0,0 +1,7 @@
+{application, rexi, [
+    {description, "Lightweight RPC server"},
+    {vsn, "1.2"},
+    {registered, [rexi_sup, rexi_server]},
+    {applications, [kernel, stdlib]},
+    {mod, {rexi_app,[]}}
+]}.