Cryptocat 2.0.38

- Cryptocat will now save your language, server and nickname
preferences automatically. This feature does not work yet on Firefox.
- Cryptocat will now automatically log out on connection failure.
- Improved message input interface.
- Many small user interface tweaks and improvements.
- Removed unused libraries, replaced some libraries.
- Updated jQuery to version 1.9.1.
- Minor bug fix in elliptic curve cryptography library.
- Russian translation improvements.
- Czech translation improvements.