Update README.rst
Finished release 1.2.0 (merge into develop)
release append: Add stories to the current release

This patch implements a new command, release append, which merges
develop into the current release branch and assigns all unassigned PT
stories into the curren release.
Finished feature 61654344/release-append.
Revert some changes that were not needed
Finished feature 61654344/release-append.
Delete extra writespaces
Finished feature 61654344/release-append.
release finish: Print release deliver reminder
Finished feature 61618968/release-finish-remind-deliver.
init: Push develop branch if not found in origin
Finished feature 61619318/push-created-develop.
Add missing imports
Finished feature 61654344/release-append.
Fix some refactoring issues
Finished feature 61654344/release-append.
deploy: Update to fit the current requirements

Particularly instead of triggering the same job all the time, every
environment has its own job assigned.
Finished feature 61564576/deploy-to-client-staging.
pivotal: Fix Story.is_unstarted to include unscheduled
release: Ignore stories with certain labels

Namely 'wontfix', 'dupe' and 'cannot reproduce'.