Merge pull request #299 from s0undt3ch/develop

Point users to the source code or help message.
Include section about installing salt via two-lines and a verification step.
Merge pull request #300 from cachedout/develop

Include section about installing salt via two-lines
Update README with instructions for a git fork
Fixing first person and one-liner
Merge pull request #303 from techhat/readme

Update README with instructions for a git fork
Quote the sub shell return value, and provide a comparable default of X`

This should fix "sh: line 1994: [: !=: unary operator expected]"