In Connexion Window :

* moved deep-check token here;
+ added invalid token message to be displayed if deep-check token return false!
+ added a few more operations of cleaning up when user leave window ( onDeactivated() )

In API Setup and Connexion :
* moved out deep-check token as explained hereinabove;
+ added updateUserProperties() to be called whenever properties have been updated and needed to be stored in the userAccountInfo.properties file;