Added whitelisting of watchers and time entries for planning elements
Update CHANGELOG.md
Fixed permitted params to be more robust against missing parameters
Bumped core version to next minor release
Merge pull request #1027 from opf/fix/more_planning_elements_api_whitelisting

Added whitelisting of watchers and time entries for planning elements
update changelog - fix #5214
Merge pull request #1031 from opf/fix/bump_core_version_for_next_release

Bumped core version to next minor release