Removed useless tuxdroid import.
Removed old SPADE files.
Remplaced sha1 by sha256. RSA keys are loaded with 'with' statement.
The client can generate RSA key from 128 bits to 3072 bits.
Bug fix : UnboundLocalError in xmlParser.getPassword(). Hide the password in the password entry.
The local time is the name of the file containing the saved conversation.
Bug fix : stupid error in save_conversation function.
Added the possibility to save the conversation. Added messages for the status bar. And other improvements.
Added a status bar to help the user.
Some improvements about the authentication process.
Bug fix : block a user from discussion.
Changed the username and agent name and the list of connected clients.
Resolved bug at login (line 219 of clientAgent.py).
Added login of the client, connection to the SPADE platform. The ReceiveMessage behavior of the client is launched after the login of the client.
Added support of UTF-8.
Protect the conversation zone from writing.
Added checks at registration and the COPYING files.
Resolved bug with string message on some Tkinter version.