Update CHANGELOG and the server version.

CHANGELOG.md

@@ -5,23 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.2.0] - Unreleased
-
-### Added
-
--
-
-### Changed
-
--
-
-### Deprecated
-
--
-
-### Removed
-
--
+## [1.2.0] - 2020-01-08
 
 ### Fixed
 
@@ -29,10 +13,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Frame preloading (<https://github.com/openvinotoolkit/cvat/pull/2608>)
 - Project cannot be removed from the project page (<https://github.com/openvinotoolkit/cvat/pull/2626>)
 
-### Security
-
--
-
 ## [1.2.0-beta] - 2020-12-15
 
 ### Added

cvat/__init__.py

@@ -4,6 +4,6 @@
 
 from cvat.utils.version import get_version
 
-VERSION = (1, 2, 0, 'rc', 0)
+VERSION = (1, 2, 0, 'final', 0)
 
 __version__ = get_version(VERSION)