Dvc

* remote: is_dir_checksum: handle empty/None checksum (3836) efiop
* Add a new rename command (3794) karajan1001
* lock: make froze message clickable (3833) pared

* plots: add plot markers to DVC files (3807) efiop
* Newline at the end of template files on init (3828) nik123
* default target: reduce loglevel to debug (3822) skshetry
* repro: do not log when stage is locked and is import (3823) skshetry
* plots: dont zero y axis (3813) pared
* utils: support use of (GitTree) tree file objects in utils (3819) pmrowla
* stage: fix commit (3816) efiop
* repo: Support streaming and pulling files on `RepoTree/DvcTree.open()` (3810) pmrowla
* pyupgrade: 3.6+ (3805) skshetry
* dvc.yaml: remove outs_no_cache, etc. keys, merge inside outs (3785) skshetry
* refactor: simplify checkouts and run, get rid of check_can_commit (3800) skshetry
* dvc: rename plot to plots (3802) efiop
* stage: fix --dry-run (3799) efiop
* stage: moving things around, refactor (3793) skshetry
* run/repro: rename "build cache" -> "run cache" (3788) efiop
* diff: handle repo with no commits (3784) efiop
* Drop Python 3.5 support (3792) pmrowla
* tests: mark test_data_cloud::test_pull_git_imports as flaky (3790) pmrowla
* plot: add doctype at the beggining of html embedding (3787) pared
* plot: update some output strings (3759) jorgeorpinel
* diff: autocompletion script for params, and show-md (3786) skshetry
* tests: abstract remote setup to fixture (3748) pared
* run-cache: support uncached files (3778) efiop
* Added S3 SSEKMSKeyId config option (3762) jackwellsxyz
* pipeline file: disallow punctuation characters in stage name (3767) skshetry
* refactor: check if targets is instances of str (3779) nik123
* import: check erepo is None before modifying url - fixes 3780 (3781) ned2
* params/metrics: diff: implement tabulated markdown output (--show-md) (3757) skshetry
* Import ABC from collections.abc for Python 3 compatibility. (3772) tirkarthi
* fix 3588 (3770) karajan1001
* Dvc remote default in list validation (3715) karajan1001
* push/pull: properly collect run cache (3768) efiop
* update: --recursive flag (3760) nik123
* stage: hide unwanted warnings (3763) efiop

* push/pull: naively transfer run cache (3746) efiop
* plot: fix help messages (3734) pared
* fix: bump PyDrive2 to fix Gdrive remote download shcheklein
* lint: isort pre-commit & misc improvements (3749) casperdcl
* repro: use dvc.yaml by default (3747) skshetry
* plot: check field exists (3742) pared
* gdrive: download: stream & add progress (3722) casperdcl
* pull/fetch/push: add stats (3735) skshetry
* Snap version (3741) casperdcl

* run: use multistage dvcfiles by default (3740) efiop
* run: remove deprecated -y|--yes (3737) efiop
* ui: simplify/shorten error messages (3730) skshetry
* plot: completion for zsh (3733) pared
* cache: rename .dvc/cache/run to .dvc/cache/runs (3732) efiop
* Make comparisons in is_cached independent of order (3731) skshetry
* run: add to .gitignore on --no-exec (3729) efiop
* diff: make output consistent with other diff commands (3727) efiop
* status: --recursive flag (3726) nik123
* dvc: move temporary files to .dvc/tmp (3725) efiop
* stage: rename .dvc/cache/stages -> .dvc/cache/run (3724) efiop
* progress: add postfix info to avoid overwriting desc (3721) casperdcl
* Metrics - plotting for multiple revisions initial (3577) pared
* stage: cache: use lockfiles (3713) efiop
* dump: deterministic lockfile dump (3711) skshetry
* dvc: rename pipelines.yaml -> dvc.yaml (3710) efiop
* run: try to save deps before running the command (3709) efiop
* serialize: use checksums that are already saved (3708) efiop
* remote: adjust traverse threshold multiplier (3705) pmrowla
* dvc: introduce local stage cache (3603) efiop
* gdrive: fix multi-remote workflow, cont. cleanup (3686) shcheklein
* setup: relax python-dateutil pip version constraint to include v2.8.2. 3701 (3702) dchichkov
* tag: getting rid of it (3699) skshetry
* remote.ssh: suppress paramiko logging (3675) pmrowla
* dvc: implement params support for pipeline file (3694) skshetry
* refactor: dvc/output class names unification (3695) nik123
* repo: use reverse post-order DFS in repro --downstream (3689) pmrowla
* remote: use string paths over PathInfo for performance reasons (3672) pmrowla
* dvc: implement multistage dvcfile (3676) skshetry
* refactor: dvc/dependency class names unification (3688) nik123
* refactor: dvc/remotes class names unification (3684) nik123
* progress: add main bars (3594) casperdcl
* git: is_tracked: use ls_files instead of walking the index (3677) efiop
* flake8: fix ambiguous var names (3674) pmrowla
* Convert all paths in config to posix-style (3665) charlesbaynham
* output: use strings instead of PathInfo for performance reasons (3663) pmrowla
* metrics: rework metrics implementation (3658) efiop
* Fix repro duplicating effort while checking steps 3644 (3645) charlesbaynham
* metrics diff error message in --no-scm projects (3650) karajan1001
* gc: don't forget to load remote index (3660) efiop
* remote: locally index list of checksums available on cloud remotes (3634) pmrowla
* refactor: extract stage loading outside of dvcfile (3655) skshetry
* tests: test_directories (3649) nik123
* Specify cmd arg names (metavars), et al. (3626) jorgeorpinel
* scm: git: clone: add progress (3595) casperdcl
* dvc: implement multi-stage dvcfile (3584) skshetry
* tests: add some DvcTree unit tests (3640) efiop
* dvc: introduce DvcTree (3639) efiop
* remote: don't use PathInfo.from_posix (3637) efiop
* remote config validation (3628) karajan1001
* params: diff: introduce --all (3631) efiop
* remote: use .dir checksum existence to infer file contents existence (3632) pmrowla
* refactor: extract stage's relationship with Dvcfile out from Stage (3619) skshetry
* Updates latest version of PyDrive2 (3624) mribeirodantas
* stage: resolve stage path before creating the stage (3630) efiop
* run: remove deprecated --cwd (3623) efiop

* gdrive: fix multi-remote workflow, cont. cleanup (3686) shcheklein
* setup: relax python-dateutil pip version constraint to include v2.8.2. 3701 (3702) dchichkov
* tag: getting rid of it (3699) skshetry
* remote.ssh: suppress paramiko logging (3675) pmrowla
* dvc: implement params support for pipeline file (3694) skshetry
* refactor: dvc/output class names unification (3695) nik123
* repo: use reverse post-order DFS in repro --downstream (3689) pmrowla
* remote: use string paths over PathInfo for performance reasons (3672) pmrowla
* dvc: implement multistage dvcfile (3676) skshetry
* refactor: dvc/dependency class names unification (3688) nik123
* refactor: dvc/remotes class names unification (3684) nik123
* progress: add main bars (3594) casperdcl
* git: is_tracked: use ls_files instead of walking the index (3677) efiop
* flake8: fix ambiguous var names (3674) pmrowla
* Convert all paths in config to posix-style (3665) charlesbaynham
* output: use strings instead of PathInfo for performance reasons (3663) pmrowla
* metrics: rework metrics implementation (3658) efiop
* Fix repro duplicating effort while checking steps 3644 (3645) charlesbaynham
* metrics diff error message in --no-scm projects (3650) karajan1001
* gc: don't forget to load remote index (3660) efiop
* remote: locally index list of checksums available on cloud remotes (3634) pmrowla
* refactor: extract stage loading outside of dvcfile (3655) skshetry
* tests: test_directories (3649) nik123
* Specify cmd arg names (metavars), et al. (3626) jorgeorpinel
* scm: git: clone: add progress (3595) casperdcl
* dvc: implement multi-stage dvcfile (3584) skshetry
* tests: add some DvcTree unit tests (3640) efiop
* dvc: introduce DvcTree (3639) efiop
* remote: don't use PathInfo.from_posix (3637) efiop
* remote config validation (3628) karajan1001
* params: diff: introduce --all (3631) efiop
* remote: use .dir checksum existence to infer file contents existence (3632) pmrowla
* refactor: extract stage's relationship with Dvcfile out from Stage (3619) skshetry
* Updates latest version of PyDrive2 (3624) mribeirodantas
* stage: resolve stage path before creating the stage (3630) efiop
* run: remove deprecated --cwd (3623) efiop