delinend

Results 3 issues of delinend

### What happened? Hi. I'm using the last DEV branch, an just added som EnOcean PTM215Z button devices. They ALL works just fine. An there is no problems with MQTT...

bug

I'm testing ESPbootloader on the new NodeMCU "dev" brach, and it crash/restarts just after the "Please connect to: 192.168.4.1" message, and I can't figure out, what the problem is. There...

Hi. I missing the setContrast() funktion for my ssd1306 I2C display, in the NODEmcu build. Is it possible that you can support the setContrast() funktion in the u8glib for NODEmcu...