Fix disk.sh reference and list of deps
Separate release from staging and ignore staging in repo
Break out customization step into script
Standardize -r over -R for cp
Fix old ref to release
Add getting started section to readme
Fix markdown
Minor changes for accuracy and style
Finish first draft of Getting Started section
Merge pull request #22 from bitprinter/readme-gettingstarted

Readme gettingstarted