Update README.md

Improved markdown formatting and added a note about how to ssh into the box.
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Improved markdown formatting and added a note about how to ssh into the box.
Merge branch 'master' of https://github.com/phpguru/vagrant-puppet-lamp
Renaming box
Merge pull request #1 from phpguru/master

Tweaks to README.md