Merge pull request #23 from andresp99999/hcf-middleware

Hcf middleware
Merge pull request #24 from andresp99999/hcf-middleware

Hcf middleware
Merge pull request #25 from andresp99999/hcf-middleware

Fix for issue with missing logger for 'hubstorage.batchuploader'
Merge pull request #26 from andresp99999/hcf-middleware

Don't send duplicated links to the HCF
way to get settings improved
fix recommended scrapylib.crawlera import path
Merge pull request #28 from nramirezuy/hcf_get_settings

way to get settings improved
do not touch slot delay if crawlera mw is disabled
Remove setting specific to new panel, this is not longer necessary