SessionLogin => Call SessionManager login function

NodeApp/src/commander/session/subcommands/SessionLoginCommand.ts

 import chalk            from 'chalk';
 import CommanderCommand from '../../CommanderCommand';
-import GitlabManager    from '../../../managers/GitlabManager';
-import inquirer         from 'inquirer';
+import SessionManager   from '../../../managers/SessionManager';
 
 
 class SessionLoginCommand extends CommanderCommand {
@@ -9,26 +8,18 @@ class SessionLoginCommand extends CommanderCommand {
 
     protected defineCommand() {
         this.command
-        .description('register to Dojo')
-        .option('-t, --token <string>', 'personal access token from GitLab with api scope')
+        .description('login to Dojo')
+        .option('-c, --cli', 'proceed to the login in headless mode (do not try to open web browser).')
         .action(this.commandAction.bind(this));
     }
 
-    protected async commandAction(options: { token: string }): Promise<void> {
-        if ( !options.token ) {
-            options.token = (await inquirer.prompt({
-                                                       type   : 'password',
-                                                       name   : 'token',
-                                                       message: 'Please enter your gitlab token',
-                                                       mask   : ''
-                                                   })).token;
-        }
-
-        console.log(chalk.cyan('Please wait while we are testing your Gitlab token...'));
+    protected async commandAction(options: { cli: boolean }): Promise<void> {
+        try {
+            console.log(chalk.cyan('Please wait while we login you into Dojo...'));
+            await SessionManager.login(options.cli);
+        } catch ( error ) {
 
-        GitlabManager.login(options.token);
-
-        await GitlabManager.testToken();
+        }
     }
 }