Create newrelic::server::linux class

Deprecates newrelic::server defined type
Create newrelic::agent::php class

Deprecates newrelic::php defined type
fixing php conf dir for Debian/Ubuntu new PHP release
Merge branch '3flex-patch-1' of git://github.com/fsalum/puppet-newrelic into fsalum-3flex-patch-1
Merge branch 'fsalum-3flex-patch-1' into patch-1