fix CI for wetap-api

move CI logic into source controlled scripts
upgrade and re-provision vagrant box in case there are changes to VM
remove test-run from provisioning script. It never really made sense to be there.
document CI ansible requirement
get latest ruby definitions before building a new ruby
update docs to reflect more automated provisioning
fake s3 credentials for CI
Merge pull request #9 from wetap/feature/ci_scripts

fix CI for wetap-api