add auto create or find subtask
Merge redmine-review-feature-119-be-able-to-create-a-task
reflect changes
Add version in Changes
Update version file
Merge redmine-release-v0.58
replace setup guide with wiki
Merge redmine-review-feature-146-replace-setup-guide
reflect changes
Add version in Changes
Update version file
Merge redmine-release-v0.59