Gerapy

* Add Scrapyd Auth

* Add Docker
* Fix Encoding Bugs by adding Middleware
* Fix Delete Project bug by removing Deployment Relations first
* Fix language transition bug
* Fix variable bug in frontend
* Fix log encoding bug
* Add judgement of finding egg

* Update logo of Gerapy
* Set ALLOWED_HOSTS to all(*)
* Fix runserver bug on Windows
* Update Django requirements to >= 1.11

* Add compatibility of Django 2.X
* Fix bug of build
* Fix bug of configuring host and port
* Remove monitor temporarily