working on subscriptions
removed shutdown of server in spec

     was not worth the hassle. got errors like 'Error: socket hang up'
     from SecurePair.error (tls.js:927:32)
working on realtime specs
refactored real-time specs
server sends out list of currently known packages
subscriber can ask for fresh list
server now sends new list whenever a new package is imported

    also removed .pkg file (not needed for tests)
added notification test
removed comment
uploading two versions of a package
upload patches too