How to make a keyvi release (e.g., vX.Y.Z)

Create a release branch

Create a release branch called release-X.Y.Z

On the `release-X.Y.Z` branch

Update the `python/setup.py` file

Update the flag IS_RELEASED to True
Commit to release-X.Y.Z and push it to https://github.com/KeyviDev/keyvi/
Wait for CI to build all targets

Create tag

Draft a new release tagged vX.Y.Z with release-X.Y.Z as the target branch
Add the release notes in the description with references to PRs
Publish release

On the `master` branch

Update the `python/setup.py` file

Update to the next release version

VERSION_MAJOR = X
VERSION_MINOR = Y
VERSION_PATCH = Z + 1
VERSION_DEV = 0

Update the `rust/Cargo.toml` file

Update to the same version used in python/setup.py

 version = "X.Y.Z + 1"