datapath-windows: Add temporary files to gitignore.

Github Issue: #12

Reported-by: Alin Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Saurabh Shah <ssaurabh@vmware.com>
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
bitmap: Add test for bitmap_equal and bitmap_scan

Suggested-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Kmindg <kmindg@gmail.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>