ipv6
also sent interface only have ipv6 address
Quick hack for freebsd.
FreeBSD filesystem support for spec and for metrics.
Stop sending cpu.interrupt.
Fix args for iostat.
don't post each creating graph-defs but bulk posting
s/InitWithAPI/InitGraphDefs/
wait up to 30 seconds before initial posting on start up
start correcting postMetrics before waiting for creating graphdefs
refactor main loop
Merge pull request #47 from hiroaki0404/spike-freebsd

Quick hack for FreeBSD.
Merge pull request #46 from mackerelio/ipv6

sent interfaces which have only ipv6 address
s/InitGraphDefs/PrepareGraphDefs/
Merge pull request #48 from mackerelio/feature/wait-on-startup-iss45

Feature/wait on startup
Merge branch 'feature/wait-on-startup-iss45' into feature/refactor-mainloop
Merge pull request #49 from mackerelio/feature/refactor-mainloop

Feature/refactor mainloop
update changelog