v0.12.3: Merge branch 'nozbe-master'

# Conflicts:
#	CHANGELOG.md
#	README.md
#	docs/Installation.md
#	examples/native/android/app/build.gradle
#	examples/native/android/build.gradle
#	examples/web/src/components/Root/index.js
#	examples/web/yarn.lock
#	native/androidTest/app/build.gradle
#	native/androidTest/build.gradle
#	package.json
#	src/sync/impl/applyRemote.js
#	src/sync/impl/helpers.js
#	src/sync/index.js
#	yarn.lock