OI Safe

Store password securely featuring:

* AES Encryption
* Import/Export
* Encrypt OI Notepad notes
* Support Obscura picture safe.
* MyBackup Pro
OI Safe is the successor of Password Safe.

NOTICE: If you are using Password Safe, export your passwords first and import them in OI Safe

近期的更改：
- added auto backup
- fixed change master password bug
- swipe left/right or up/down to move from password
  to password.
- on-screen switch button to switch from numeric
  keypad mode.
- support small screens (issue 259)
- don't copy password if user name is copied (issue 291)
- fixed bugs in issues 281, 276
- support Android 2.3
- translations into various languages.