Fix typo in .submodule
Added new submodule addon-sdk
Alpha version of extension

- Simple XOR encryption is used
- YA.disk integration
- Simple UI
Merge pull request #2 from amberrain/master

Added AES class for convenient encryption/decryption + test for its functions
Deleted binary files.
Merge pull request #2 from gvozdarev-sa/master

Extension + clean binaries