Merge pull request #19 from portertech/windows

Windows Packaging.
Merge pull request #20 from portertech/windows

Drop "for Windows", simplify the product name
Merge pull request #21 from portertech/windows

[windows] only copy msi assets and render template when windows
[ruby-2.0-p0] use ruby 2.0 for sensu packages
Merge pull request #23 from portertech/ruby-2.0-p0

[ruby-2.0-p0] use ruby 2.0 for sensu packages
[yum] redhat runs `yum clean all` prior to doing anything, moved bunchr install to function
[init] utilize /etc/default/sensu, use a master service script
[init] include sensu-service script in builds
Merge pull request #24 from portertech/yum

Redhat runs `yum clean all` prior to doing anything
Merge pull request #25 from portertech/init

[init] utilize /etc/default/sensu, use a master service script
[init] need to put sensu-service in place
Merge pull request #26 from portertech/init

[init] need to put sensu-service in place
[windows] use a newer rubyinstaller devkit release