All Note - editor and more

Jan 7, 2018

1.Add a new feature of syncing data to Google Drive automatically and manually.
2.Add a feature to automatically save a note which is being edited.
3.Add an auto backup feature
4.Add a feature to set a yearly reminder
5.Fix several bugs
6.Lower the system load by reducing the frequncy of Reminder calling the system
7.Improve the search feature