Initial setup instructions
1. Imported itemized setup instructions originally written by Mike Jackson.
2. Integrated with material from Boston WiSE boot camp.
3. Put old installation instructions back inline in WiSE boot camp page.
4. Created lessons/setup.html to list all setup instructions.
Removing old setup instructions (folded back into WiSE boot camp page)
Merge pull request #1 from gvwilson/gh-pages

New general-purpose includeable setup instructions.