Finished docs of golismero.api.data.information
Moved all link methods to Data + finished documenting golismero.api.data.resource
Done documenting golismero.api.data.vulnerability
Documented golismero.api.data (still golismero.api.data.db to go)
Fixed small bug
Merge branch '2.0.0' of github.com:cr0hn/golismero into 2.0.0

Conflicts:
	golismero/api/data/resource/url.py
	golismero/api/data/vulnerability/__init__.py
	golismero/api/data/vulnerability/information_disclosure/default_error_page.py
	golismero/api/data/vulnerability/information_disclosure/url_disclosure.py