Merge pull request #4 from herdrick/master

Move files from https://github.com/herdrick/ambari-one-node + some minor changes.
adding initial code to fake hostname on digitalocean
Update README.md
adds a wget option to prevent redownload of ambari.repo
Checks if cluster exists before adding it. Deletes it first if it already exists
Merge pull request #7 from artfullyContrived/issue6

adds a wget option to prevent redownload of ambari.repo
Merge pull request #8 from artfullyContrived/issue7

Checks if cluster exists before adding it. Deletes it first if it already exists
Adding in RAM Check, Splash print out and no email default
fixed the merge
added a check for centos

adding in the spinner and wait state
added in bug fixes for centos check and spinner
fixing the script to add a fqdn
fixed bug in the hostname setting when it's not a fqdn
added the ability to install with single command
moved the primary script
added the finishing touches on a remote hadoop install and readme
adding in remote bug fix - removing spinner for remote
fixed but in remote install
Removing the premature exit
fixed bug with the mem check