Feature/minor u ifixes

* Reorganizing first launch
* Minor ui edits

Solving issues 
#145 #155 
Good advance to issue
#116 
Well, code only reads this line if parameters are updated (otherwise there is a return earlier)
And putting it in the StatusManager.setParametersUpdated() is tricky since there is some recursivity issue. SchedulerService calls a StatusManager that calls a SchedulerService etc