v0.5.1 added remote execution, different install locations

Addressed the following issue requests:

#9 now you can run these commands against a remote server by appending on: server at the end of your command
#8 configure where chef/inspec get installed (for those who need to install things on D:

I refactored the help as a part of this release. Now there is only one help command: cafe help. This simplified how to deal with the optional on: parameter.

Cafe is now ready to be tested in preproduction environments. I'm working with a company to get it installed in production, and at that point take the beta tag off.