oauth version1 services
menu options to exit and to change password; added the possibility to
post messages
Picasso library used for all the images downloaded from the server
oAuth1 enhancements
bug fix
removed the menu in accordance with the latest Google guidelines; dialog
to change the "hide settings"
now the user can choose a different avatar; new ImageLoader;  bug fixing
bug fix
Merge pull request #34 from francescoditrani/master

The user can choose a different avatar, hide a developer and register a new CDE account