enhance documentation to cover robot search path and --robot-paths
fix remarks
bump docs release
fix remarks
minor style cleanup
bump EB version & docs release (use datestamp-like release numbers)
fix remark w.r.t. unclear note
update Changelog
Merge pull request #52 from boegel/robot_paths

enhance documentation to cover robot search path and --robot-paths
Merge branch 'develop' into release_notes