nsqadmin: fix issue where actions did not work without lookupd
nsqd: cleanup topic/channel deletion ordering issues
Merge pull request #98 from mreiferson/nsqadmin_98

nsqadmin: some operations only work w/ lookupd cmdline option
Merge pull request #101 from mreiferson/deletion_101

delete channel ordering issues
separate datetime-format from filename-format (update for consistency)
Merge pull request #115 from mreiferson/to_file_fix_115

fix nsq_to_file filename formatting
docs: update changelog; bump Go lib to 0.3.0