* saving dns request in 'r', checking response for answer, recording '-50' if no data in dns answer
* removed time import, removes dns_start and dns_end in favor of time provided by dnspython, updated lack of answer to '-100' value, re-organized code to update query_time with only a sing q.put in finally block
* fixing logic error from last commit
* fixing logic error from last commit
* removing divisor
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##### Summary
Fix: #4756
`python.d.plugin` updates:
* remove `retries` option
* make `penalty` configurable (enabled by default, max is 10 minutes)
> penalty indicates whether to apply penalty to update_every in case of failures.
> Penalty will increase every 5 failed updates in a row. Maximum penalty is 10 minutes.
> penalty: yes
##### Component Name
`python.d.plugin`
##### Additional Information
* fix make dist; fixes#4400
* added daemon dir
* fix edit-config in dist
* removed config.h from file dependencies
* do not attempt to detect stock files on vanilla installations
* add missing files to dist
* another fix for missing dist files
* modular plugins are now self-configured for automake
* updated lgtm
* fix cncf urls
