second commit on issue#2 branch-editted fixissue2 file
fourth commit on dev_1.0 branch-editted issue_report file
third commit on issue#2-editted issue_report file
Revert "third commit on issue#2-resolved a conflict upon merging to dev_1.0, undo modification on issue_report file"

This reverts commit 4aab11c1792638a11876f3c9e43147e46f351c2d.
Merge branch 'issue#2' into dev_1.0