require ports be specified for nsqd-http-address and lookupd-http-address command line arguments
Merge pull request #486 from jnewmano/nsqadmin_require_ports

nsqadmin: require ports be specified for command line arguments
nsq_to_file: Filter topics based on regexp

This does not change current behaviour (log all topics).
Merge pull request #488 from lxfontes/nsq_to_file_regexp

nsq_to_file: Filter topics based on regexp
Gracefully shut down nsqd after running TestPauseMetadata()
Merge pull request #490 from allgeek/testpausemetadata_shutdown_489

Gracefully shut down nsqd after running TestPauseMetadata()
assure sync at end of disk write benchmarks

interesting sidenote: it has no significant result on the actual benchmark results, for me
Merge pull request #492 from Dieterbe/patch-1

assure sync at end of disk write benchmarks
README: image sizes