* added color to django app and cvat-core
* temp
* temp
* Added label color to mask dump
* Fixed UI for label color picker
* npm packages and CHANGELOG
* fixed models and migrations
* Fixed default background color and using normalization
* Added setting label color with hash
* fixed error
* Added close icon to color picker
* Fixed CHANGELOG
* requested changes
* fixed menu visibility
* Fixed label hashing and algorithm
* Added wheel package to CI
* Fixed dockerfile
* moved wheel package from dockerfile to requirements
* fixed requirements
* Fixed requirements
Co-authored-by: Nikita Manovich <nikita.manovich@intel.com>
Dmitry Kalinin