adding .gitignore

* don't track vim cruft
* stop tracking compiled programs and object files

.gitignore

@@ -0,0 +1,13 @@
+*~
+*.swp
+.bak
+
+diu_minder
+piu_minder
+billdb
+debug_client
+ipc_server
+paddlemgr
+passdb
+
+*.o