Account change viewing

Update 0.3:
- allow user to view change info of each account
- show dialog before deleting [every delete action on all window]
- show password dialog when login if select file has password [user
selected has password]
- update some GUI

issue:
- Directory not working on Mac OS X [not fix yet][others OS not confirm
of working]
- Database field incorrect name [fix soon]

fix:
- Creating new account will insert data into change_info table in
database file