add SubmissionEvent and EditEvent
Add invalid event
Move some methods from GmailServiceUtil to new Util class
remove unused code
Add the body of mails
rename
add RegexUtil
update android studio
change to use RegexUtil instead
parse image url and address
change the order to get a asc list by date
process the event contains image
complete refactor
move SettingUtil and GMailService
Improve smart order
bugs fix