create manifest for making source dist with "setup.py sdist"

diff --git a/MANIFEST b/MANIFEST
new file mode 100644
index 0000000..c083b19
--- /dev/null
+++ b/MANIFEST
@@ -0,0 +1,17 @@
+README.txt
+setup.py
+CHANGELOG.TXT
+controlpanel.py
+keylogger.pyw
+LICENSE.txt
+logwriter.py
+make_all_dist.py
+mytimer.py
+mytkSimpleDialog.py
+pykeylogger.ini
+pykeylogger.val
+supportscreen.py
+TODO.txt
+tooltip.py
+version.py
+MANIFEST
\ No newline at end of file