* Update images and user_guide.md

* fix link and typos in user_guide.md

* fix mistakes in user_guide.md

* Added optional chaining plugin

* Added CHANGELOG.md

* update user_guide.md and update images

* rename image188

* resizing image114 and image187

* Fix typos in user_guide.md

* Update user_guide.md and images

* Fix markup in user_guide.md

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](https://github.com/tensorflow/tensorflow/compare/v2.2.0...v2.2.1)
Signed-off-by: Ndependabot[bot] <support@github.com>
Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* updating dockercompose from 2.3 to 3.3

* adding changelog

* updating version in ci

* updating network mode docker-compose.ci

* updating version in components/serverless/docker-compose

* Fixed some eslint issues in cvat-core

* Added ability to search empty frames

* Updated version

* Updated changelog

* Fixed issue with track

* Fixed eslint issues

* Simplified a few sentences in installation doc. Added missing words in a few places in installation doc.

* Removed hyphen in the work passthrough

* Adhered to 120 line length limit for some lines
Co-authored-by: NVarun Singh <varun.singh@appzen.com>

* allow to run cvat without nuclio

* fix new line

* fix comments

* Updated core version

* refactoring

* minor refactoring, fixed eslint issues, added documentation to cvat-core, updated ui version, updated changelog

* move plugins to serverViewSet
Co-authored-by: NBoris Sekachev <boris.sekachev@yandex.ru>

Additional code has been added to investigate exception: 'Cannot read property label of undefined' (#2220)

* Add Mac OS dependencies notes

* Comments fix

* Description in CHANGELOG

* CONTRIBUTING.md comments fix

* Linter rules HF

* Cypress test to check if image was scaled to ROI

* Apply comments.

* Fix getting scale value.
Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

* Fixed failure after updating a label on cvat.org (the bug is related with low bandwidth)

* Removed extra line of code

* Updated NPM version

* Fix test

* Better fix for the test

* Fixed two issues #2053 and #2202

* Updated changelog, updated versions

* Updated core version

* Fixed blinking notification

* Updated CHANGELOG

* Using alt instead of ctrl to delete a point, fixed reducer

* Updated versions

* Updated changelog

* Cypress test for check image rorate.

* Apply comments.
Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

* Cypress test to check scale and fit image.

* Replace message for context().

* Applying comments.
Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

* Cypress test to check if parameters "startFrame", "stopFrame", "frameStep" works as expected

* Apply comments.
Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

* delete task data after delete task

* fix pylint

* fix pyflakes

* fix flake8

* add test test_api_v1_tasks_delete_task_data_after_delete_task

* update change log

* pyflake fix

* Prevent CVAT failure when web analytics is failure

* Updated UI version

- Register two more users
- Login with one of users and create a task
- Assign the task to the second user
- Login with the second user and check if the user is able to open the task
- Login with the third user and check if the user doesn’t see the task
- Login with the first user and assign the third user to a job
- Login with the third user and check if the user now is able to open the task
Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

* Using serverside paremeter min_pos_points, right colors of labels in detector runner

* Updated changelog & versions

* Using color from consts instead of literal

Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>
Co-authored-by: NBoris Sekachev <boris.sekachev@yandex.ru>

password.
Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

* Removed problematic pyhash dependency

* Added CHANGELOG

* Remove Datumaro sources

* Install Datumaro as package

* Update Datumaro links

* fix

* remove unnecessary dependencies

* Update travis

* update coverage config

Bumps [http-proxy](https://github.com/http-party/node-http-proxy) from 1.18.0 to 1.18.1.
- [Release notes](https://github.com/http-party/node-http-proxy/releases)
- [Changelog](https://github.com/http-party/node-http-proxy/blob/master/CHANGELOG.md)
- [Commits](https://github.com/http-party/node-http-proxy/compare/1.18.0...1.18.1)
Signed-off-by: Ndependabot[bot] <support@github.com>
Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>

Co-authored-by: NDmitry Kruchinin <dmitryx.kruchinin@intel.com>