update attributes to nexus 2.7.1
Merge pull request #63 from RiotGames/nexus_2.7.1

update attributes to nexus 2.7.1
prepare for 3.0.2 release
bump nginx dependency
be more lenient on 1.8.0 dep
Merge pull request #67 from RiotGames/fix_nginx

bump nginx dependency
update changelog, prepare for 3.1.0
Allow newer dependencies
Create pids and work directories
Redirect http to https in nginx conf