Gave things names. Gave high-level overview. Improved formatting. Gave example of how to use CodeJail
Minor formatting bugs.
Merge pull request #15 from edx/pmitros-fix-docs

Clean up CodeJail documentation
typo fix in Readme
Merge pull request #23 from navneet35371/master

typo fix in Readme
Asterisks for bold don't work in code samples
Remove the tmptmp directory as the sandbox user.
Provide full path to rm.