Show both django and flask examples

Django version built on PythonAnywhere with MySQL backend. They do not allow parsing json with Python script and the memory buffer times out for comparing seasonal tweets.

Flask version built on GoogleAppEngine. They do not allow oauth settings to connect with twitter api but perhaps they allow parsing json data.

Also renamed directory 1-save-data to cron scripts as the actions to save tweets need to be done through cron jobs.
updated gitignore