Dvc

* version: add supported remotes (3498) efiop
* import-url: allow queries in URL (3432) casperdcl
* template: pr update (3495) casperdcl
* dvc: use protected mode by default (3472) efiop
* gc: do not work without specifier when using -c flag (3493) skshetry
* completion: add --summary flag on checkout (3491) skshetry

* logger: use standard lazy formatting (3487) efiop
* cmd: diff: don't load dir cache for diff (3468) pared
* dvc: support Python3.8 (3463) skshetry
* Use pre-commit for Git hooks (3406) andrewhare
* list: rename target param to path, update docs (3462) JIoJIaJIu
* exceptions: use semantic exceptions (3430) skshetry
* checkout: show summary by default and introduce --show-changes flag (3401) skshetry
* tests: remove use of mocker as context-manager (3480) skshetry
* dvc: optimize all target specific commands to not build graph (3459) Suor
* tests: add .gitignore files when upon dvc_add (3455) pared
* add: do not verify hardlink if file is empty (3428) skshetry
* api: docstring updates (2) (3426) jorgeorpinel
* completion: bash: misc fixes and updates (3467) casperdcl
* gdrive: support Google Service accounts (3269) MaxRis

* deps: upgrade jsonpath_ng to latest version (3464) skshetry
* gc: make --all-commits flag visible (3429) skshetry
* gdrive: share drive vs just folder id when we set corpora param (3458) shcheklein
* list: colorize output (3351) JIoJIaJIu
* dvc: optimize building graph (3443) Suor
* metrics show: update -h output to match docs (3420) jorgeorpinel
* pipelines: fix edges gathering (3421) pared
* test: check that no remote backend modules are loaded by default (3400) Suor

* docs: update badges (3380) casperdcl
* dont disable existing loggers when dvc is set up (3345) ttekampe
* erepo: set up more logging (3403) Suor
* erepo: fix relative url on default remote (2756) (3378) tizoc
* Remove Linux pyfastcopy (3412) rxxg
* pull: fetch: external: respect `--jobs` (3413) casperdcl
* analytics: fix resolving used scm (3405) pared
* gdrive: do not import pydrive2 on module load (3399) Suor
* SCM: allow multiple DVC repos inside single SCM repo (3257) pared
* api: docstring updates (3352) jorgeorpinel
* change diff checksum arg name to hash (3384) shcheklein
* gdrive: a pair of cleanup refactors (upstream branch) (3382) Suor
* gc: make it safer by only activating by use of certain flags (3363) skshetry
* Stage: fix used_cache warning on no checksum (3365) pared
* remotes.http: Support dvc push for http remotes (3343) pmrowla
* completion: bash: properly recurse targets (3374) casperdcl
* metadata: add Zenodo, tidy badges and keywords (3373) casperdcl

* Enabled Zenodo integration.

* test: repro: prevent dvc.stages resetting (3368) efiop