Scheduling logging in proper format (hh:mm), so 08:05 instead of 8:5

Old:
2014-10-26 08:03:11,305::DEBUG::[scheduler:127] scheduling speedlimit(['5000']) on days [1, 2, 3, 4, 5, 6, 7] at 8:5

New:
2014-10-26 08:18:45,493::DEBUG::[scheduler:127] scheduling speedlimit(['5000']) on days [1, 2, 3, 4, 5, 6, 7] at 08:05