add GAE admin page for admin tasks
rename internimsd.py -> internimsclient.py; add arg parsing to internimsclient for usage within GNU screen
updated app.yaml to require GAE administrator login to access /admin/ pages
GAE/authorizer.py deleted, it's functionality (registering new hosts) merged into GAE/admin.py
expose more args for internimsclient.py argparsing.
add favicon.ico, update app.yaml handlers to use favicon
change to CRAM auth. internimsclient now using Requests instead of urllib2.