Force yum cookbook to pre 3

The change above fixes an issue with the upsteam opscode cookbook dependencies.  Unclear if this is the best/proper fix.
complete the SKIP_S3_STORE thing
Merge pull request #14 from someword/patch-1

Force yum cookbook to pre 3
bump a few versions of things etc
add update_package_repo hacky script
add ability to update deb package repo automatically after project build
a few cookbook version bumps
bring in cacerts software definition to work with ancient omnibus
add SKIP_OMNIBUS_BUILD envvar flag
add aws-centos-6.5 machine
Source omnibus software via https and the new bundler syntax
Source flapjack via https
windows version got locked
Merge branch 'master' of github.com:flpjck/omnibus-flapjack
update readme to include stuff about FLAPJACK_UPDATE_REPO
update readme - formatting
bring in local openssl and makedepend software definitions to work with our old omnibus
add dependencies for openssl and makedepend
fix omnibus-software to ref 3d9d097 in Gemfile
try omnibus 3 again