testing
testing
Revert "testing"

This reverts commit 0b17d7e007b538875f74676c68406fb052833985.
Revert "Revert "testing""

This reverts commit e5c229b18ea70fbc2e564fb558e57c6af513092f.
Merge remote-tracking branch 'origin/master' into Qingtao_Add/Delete/Undo
Merge remote-tracking branch 'origin/master' into Qingtao_Add/Delete/Undo
Merge remote-tracking branch 'origin/master' into Qingtao_Add/Delete/Undo
deletetd
Todomanager modified.  Add, delete, display working
Merge remote-tracking branch 'origin/Qingtao_Add/Delete/Undo'