Add (previously forgotten) step to add “dummy” box.

(Also add “chmod 700 setup-aws-private.sh”)
Merge pull request #12 from faizkhan00/vagrant

Changes to Vagrant shell provisioners to create working Omniwallet VM
Merge branch 'vagrant' of https://github.com/mastercoin-MSC/install-msc into vagrant
Add AWS support for all VMs

* Get the “overrides” working, so —provider=aws on command line works
* Remove aws-tools VM now that tools works correctly
* Update README-Vagrant.md
* Add echo-params.sh for testing
* Add echo-params.sh examples to ‘empty’ VM (temporarily)
Add cpuexecutioncap as non-default setting to Vbox, add default Omni AWS (not configured),  modify install-omni.sh to auto-accept prompts and clear root checks, remove sx installation and modify installed dependencies.