Can logout from account.

helpers/accounthelper.cpp

@@ -16,6 +16,12 @@ bool AccountHelper::signedIn()
     return ConfigurationHelper().getAccountTokens().isValid();
 }
 
+void AccountHelper::logout()
+{
+    //Destroy login tokens
+    ConfigurationHelper().setAccountTokens(AccountLoginTokens());
+}
+
 void AccountHelper::login(const AccountLoginRequest &info)
 {
     //Create API request

helpers/accounthelper.h

@@ -27,6 +27,11 @@ public:
      */
     bool signedIn();
 
+    /**
+     * Logout user
+     */
+    void logout();
+
     /**
      * Perform login
      *