Add sigdump to core_gems
Update plugin gems
Update fluentd to v0.10.56
Create /var/run/td-agent during rpm post installation
Merge branch 'master' of https://github.com/treasure-data/omnibus-td-agent

Conflicts:
	templates/etc/init.d/rpm/google-fluentd
	templates/package-scripts/td-agent/rpm/post