moved delete repo to its own file, will add a main driver for it later
refactored out deleterepo code from archiverepos
added in general comments on libraries used
added execution permission to file
adding delete teams skeleton code to repository
added PyGithub to submodules
added method to get teams for a given organization
renamed to deleteteam for consistency
fixed a typo in log message
changed name of archiverepos.py -> archiverepo.py for consistency
added in logic to delete all student teams for a github organization
fixed typos and steamlined logging for readability
fixed some bad imports
Merge pull request #37 from UCSD-CSE-100/optimization

merging in deleteteam and deleterepo to master branch