s3ql service dependency & ansible1.6 fixes, ~RedHat-compat
disable s3ql backups by default to avoid hang when valid remote
credentials are missing
use git https transport for demo purposes
add apache notes and refactor to clarify precedence in config overrides
use ansible-pcd conf.d metadir for apache configurations
clarify naming of redirect virtualhost
skip mod_log_config if compiled into apache